# 2012 in arthropod paleontology

This list of fossil arthropods described in 2012 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids and other fossil arthropods of every kind that have been described during the year 2012. The list only includes taxa at the level of genus or species.

## Arachnids

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
| Ampezzoa | Gen. et sp. nov. | Valid | Lindquist & Grimaldi in Schmidt et al. | Carnian | | Italy | A mite. The type species is Ampezzoa triassica. | |
| Archaelagonops | Gen. et sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | A member of Lagonomegopidae. Type species is A. salticoides. | |
| Baltleucauge propinqua | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A long-jawed orb weaver | |
| Craspedisia yapchoontecki | Sp. nov. | Valid | Penney et al. | Miocene | Dominican amber | Dominican Republic | A theridiid | |
| Eodoter lonimammillae | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A sac spider | |
| Eohalinobius calefactus | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A succinomid | |
| Eohalinobius hiddenseeensis | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A succinomid | |
| Eohalinobius patina | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A succinomid | |
| ?Eophantes seorsum | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A linyphiid | |
| Ephalmator tredecim | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | An ephalmatorid | |
| Ero (Succinero) clunis | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A pirate spider | |
| Ero (Succinero) gracilitibialis | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A pirate spider | |
| Ero (Succinero) veta | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A pirate spider | |
| Geratonephila | Gen. et sp. nov. | jr synonym | Poinar in Poinar & Buckley | Early Cretaceous | Burmese amber | Myanmar | A nephiline. The type species is G. burmanica. Moved to Nephila in 2015. | Nephila burmanica |
| Graea magnocoli | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | An orb-weaver spider | |
| Hypotheridiosoma | Gen. et sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | Originally classified as a ray spider, but subsequently transferred to the araneoid family Zarqaraneidae. The type species is H. paracymbium. | |
| Korearachne | gen et sp nov | Valid | Selden et al.. | Early Cretaceous | Jinju Formation | South Korea | A member of Araneomorphae, possibly a lycosoid. The type species is K. jinju. | |
| Lagonoburmops | Gen. et sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | A member of Lagonomegopidae. The type species is L. plumosus. | |
| Leclercera longissipes | Sp. nov | Jr synonym | Wunderlich | Cretaceous | Burmese amber | Myanmar | A member of Psilodercidae. Originally described as a species of Leclercera, but subsequently transferred to the genus Priscaleclercera. | |
| Leclercera spicula | Sp. nov | Jr synonym | Wunderlich | Cretaceous | Burmese amber | Myanmar | A member of Psilodercidae. Originally described as a species of Leclercera, but subsequently transferred to the genus Priscaleclercera. | |
| Leviunguis | Gen. et sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | Originally classified as a ray spider, subsequently transferred to the separate araneoid family Leviunguidae. The type species is L. bruckschi. | |
| Mesobunus dunlopi | Sp. nov. | Valid | Giribet et al. | Middle Jurassic | Daohugou Beds | China | A sclerosomatid harvestman. | |
| Myanlagonops | Gen. et sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | A member of Lagonomegopidae. The type species is M. gracilipes. | |
| Ocululoborus | Gen. et sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | A member of Uloboridae. The type species is O. curvatus. | |
| Orchestina (Baltorchestina) angulata | Nom. nov | Valid | Wunderlich | Eocene | Bitterfeld amber | Germany | An oonopid; a replacement name for Orchestina (Baltorchestina) rectangulata Wunderlich (2011). | |
| Orchestina gappi | sp nov | Valid | Saupe et al.. | Latest Albian or earliest Cenomanian | Chartense amber | France | An oonopid | |
| Orchestina rabagensis | Species | Valid | Saupe et al. | Early Albian | | Spain | An oonopid, a species of Orchestina. | |
| Palaeogrosphus jacquesi | Sp. nov | Valid | Lourenço & Henderickx | Holocene | Malagasy copal | Madagascar | A buthid scorpion. | |
| Palaeoleptoneta | Gen. et sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | Originally described as a member of Leptonetidae, subsequently considered to be a member of Araneomorphae of uncertain affinities by Magalhaes et al.. The type species is P. calcar. | |
| Palaeolychas weitschati | Sp. nov. | Valid | Lourenço | Eocene | | Russia (Kaliningrad Oblast) | A buthid scorpion, a species of Palaeolychas. | |
| Palaeotrilineatus | Gen. et sp. nov. | Valid | Lourenço | Early Cretaceous | Burmese amber | Myanmar | A scorpion. The type species is P. ellenbergeri. | |
| ?Pholcochyrocer baculum | Sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | A member of Pholcochyroceridae, possibly a species of Pholcochyrocer. | |
| Pholcochyrocer pecten | Sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | A member of Pholcochyroceridae, a species of Pholcochyrocer. | |
| Piankhi | Gen. et sp. nov. | Valid | Dunlop, Bartel & Mitov | Eocene | Baltic amber | Europe | A harvestman found in Baltic amber. The type species is P. steineri. | Piankhi steineri |
| ?Poliochera cretacea | Sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | A member of Ricinulei, possibly a species of Poliochera. | |
| Praoppiella | Gen. et sp. nov. | Valid | Miko & Mourek in Miko et al. | Early Pleistocene | | Slovenia | A mite. The type species is P. oanae. | |
| Pseudogarypus synchrotron | Sp. nov | Valid | Henderickx in Henderickx, Tafforeau & Soriano | Late Eocene | Baltic Amber | Europe | A pseudoscorpion | Pseudogarypus synchrotron |
| ?Psiloderces filiformis | Sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | First described as possibly species of Psiloderces; transferred to the genus Eopsiloderces. | |
| Rhinoppioides | Gen. et sp. nov. | Valid | Miko in Miko et al. | Early Pleistocene | | Slovenia | A mite. The type species is R. quadrituberculatus. | |
| Saetosoma | Gen. et sp. nov | Valid | Wunderlich | Cretaceous | Burmese amber | Myanmar | A member of Tetrablemmidae. The type species is S. filiembolus. | |
| Samlandicmeta | Gen. et sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A long-jawed orb weaver. The type species is S. mutila. | |
| ?Scytodes hani | Sp. nov | Valid | Wunderlich | Cretaceous | Lebanese amber | Jordan | A spider of uncertain affinities. Originally described as a spitting spider, possibly a species of Scytodes; Magalhaes et al. subsequently argued that it cannot be reliably assigned to Scytodoidea. | |
| Succiniropsis runcinata | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A zoropsid. | |
| ?Succinomus gibbosus | Sp. nov | Valid | Wunderlich | Eocene | Baltic amber | Europe | A succinomid, possibly a species of Succinomus. | |
| Trhypochthonius lopezvallei | Sp. nov. | Valid | Arillo, Subías & Shtanchaeva | Early Cretaceous (Albian) | | Spain | A trhypochthoniid mite. | |
| Triasacarus | Gen. et sp. nov. | Valid | Lindquist & Grimaldi in Schmidt et al. | Carnian | | Italy | A mite. The type species is T. fedelei. | |

## Crustaceans

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Acanthocythereis inouei | Sp. nov | Valid | Yamaguchi, Mashiba & Kamiya | Miocene | Osaki Formation | Japan | An ostracod, a species of Acanthocythereis. |
| Acanthophoenicides | Gen. et sp. nov | Valid | Audo & Charbonnier | Late Cretaceous (Cenomanian) | Hadjoula Lagerstätte | Lebanon | A slipper lobster belonging to the subfamily Arctidinae. The type species is A. peterpani. |
| Acratia candyae | Sp. nov | Valid | Forel | Late Permian (Changhsingian) | Wujiaping Formation | China | An acratiid ostracod, a species of Acratia. |
| Agnocarcinus | Gen. et sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A crab belonging to the family Pilumnidae. The type species is A. zannatoi. |
| Alberticarcinus | Gen. et sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A crab belonging to the family Atelecyclidae. The type species is A. eocaenus. |
| Ammopylocheles robertboreki | Sp. nov | Valid | Fraaije et al. | Middle Oxfordian | | Poland | A pylochelid, a species of Ammopylocheles. |
| Amphicytherura grandicribra | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A schizocytherid ostracod, a species of Amphicytherura. |
| Amphicytherura occulta | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | An ostracod. Originally described as a species of Amphicytherura; Antonietto et al. (2013) transferred this species to the genus Dinglecythere. |
| Amphissites gifuensis | Sp. nov | Valid | Tanaka & Yuan in Tanaka et al. | Early Permian | | Japan | An ostracod, a species of Amphissites. |
| Antonioranina | Gen. et comb. nov | Valid | Van Bakel et al. | Eocene | | Italy  Spain  United States | A raninid crab. The type species is "Cyrtorhina" globosa Beschin, Busulini, De Angeli & Tessier (1988); genus also contains A. fusseli (Blow & Manning, 1996) and A. ripacurtae (Artal & Castillo, 2005). Van Bakel et al. (2012) tentatively assigned "Cyrtorhina" oblonga Beschin, Busulini, De Angeli & Tessier (1988) to the genus Antonioranina as well; however, Karasawa et al. (2014) made it the type species of a separate genus Claudioranina. |
| Archaeoniscus coreaensis | Sp. nov | Valid | Park et al. | Early Cretaceous | Jinju Formation | South Korea | An isopod crustacean, a species of Archaeoniscus. |
| Asciocythere cabbagehillensis | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A cytherideid ostracod, a species of Asciocythere. |
| Asymmetricythere semoupathei | Sp. nov | Valid | Sarr | Ypresian to Lutetian | | Mauritania  Senegal | A trachyleberidid ostracod, a species of Asymmetricythere. |
| Aurikirkbya miyakei | Sp. nov | Valid | Tanaka & Ono in Tanaka et al. | Early Permian | | Japan | An ostracod, a species of Aurikirkbya. |
| Aysegulina chapeltonensis | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A hemicytherid ostracod, a species of Aysegulina. |
| Aysegulina riominhoensis | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A hemicytherid ostracod, a species of Aysegulina. |
| Aysegulina sagitta | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A hemicytherid ostracod, a species of Aysegulina. |
| Aysegulina ventrocurva | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A hemicytherid ostracod, a species of Aysegulina. |
| Bairdia adelineae | Sp. nov | Valid | Forel | Early Triassic (Griesbachian) | Daye Formation | China | A bairdiid ostracod, a species of Bairdia. |
| Bairdia fujisan | Sp. nov | Valid | Tanaka & Maeda in Tanaka et al. | Early Permian | | Japan | An ostracod, a species of Bairdia. |
| Bairdia? huberti | Sp. nov | Valid | Forel | Late Permian (Changhsingian) | Wujiaping Formation | China | A bairdiid ostracod, a possible species of Bairdia. |
| Bairdia ikeyai | Sp. nov | Valid | Tanaka in Tanaka et al. | Early Permian | | Japan | An ostracod, a species of Bairdia. |
| Bairdia jeromei | Sp. nov | Valid | Forel | Late Permian (Changhsingian) and Early Triassic (Griesbachian) | Daye Formation Wujiaping Formation | China | A bairdiid ostracod, a species of Bairdia. |
| Bairdia minoensis | Sp. nov | Valid | Tanaka & Ono in Tanaka et al. | Early Permian | | Japan | An ostracod, a species of Bairdia. |
| Bairdia spindlica | Sp. nov | Valid | Tanaka & Yuan in Tanaka et al. | Early Permian | | Japan | An ostracod, a species of Bairdia. |
| Balowella crassicostata | Sp. nov | Valid | Luppold | Middle Jurassic | | Germany | An ostracod, a species of Balowella. |
| Bathypluma pliocenica | Sp. nov | Valid | Garassino, Pasini & Marini | Early Pliocene | | Italy | A retroplumid crab, a species of Bathypluma. |
| Bournelyreidus | Gen. et comb. et sp. nov | Valid | Van Bakel et al. | Late Cretaceous to Paleocene | | Denmark  France  Germany  Greenland  United States | A lyreidid crab. The type species is "Hemioon" eysunesensis Collins & Wienberg Rasmussen (1992); according to the authors of its description genus also contains "Raninella" carlilensis Feldmann & Maxey (1980), "Palaeocorystes" laevis Schlüter in von der Marck & Schlüter (1868), "Raninella" manningi Bishop & Williams (2000), "Raninella" oaheensis Bishop (1978) and "Raninella" tridens Roberts (1962), as well as the new species Bournelyreidus teodorii. On the other hand, Karasawa et al. (2014) transferred B. teodorii to the genus Lyreidus, "R." tridens to the genus Macroacaena and "R." manningi to the genus Heus. |
| Brachycythere jamaicaensis | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A trachyleberidid ostracod, a species of Brachycythere. |
| Bretonia | gen et comb nov | Valid | Schweitzer et al. | Cenomanian | Sables du Perche Formation | France | crab, New genus for "Xanthosia" danielae (Collins and Breton, 2009). |
| Buntonia bodergati | Sp. nov | Valid | Sarr | Thanetian to Ypresian | | Mali  Senegal | A trachyleberidid ostracod, a species of Buntonia. |
| Buntonia nana | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A trachyleberidid ostracod, a species of Buntonia. |
| Buntonia vulgaris | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A trachyleberidid ostracod, a species of Buntonia. |
| Bythocypris antoniettae | Sp. nov | Valid | Sciuto | Early Pleistocene | | Italy | An ostracod, a species of Bythocypris. |
| Bythocythere solisdeus | Sp. nov | Valid | Sciuto | Early Pleistocene | | Italy | A bythocytherid ostracod, a species of Bythocythere. |
| Calliaxina altavillensis | Sp. nov | Valid | Beschin & De Angeli | Eocene | | Italy | A member of Callianassidae. |
| Carinokloedenia onusta carinata | Subsp. nov | Valid | Becker & Franke | Devonian | | Germany  Luxembourg | An ostracod belonging to the group Palaeocopida and the family Beyrichiidae. |
| Carcinoplax parsensis | Sp. nov | Valid | Vega et al. | Miocene (Burdigalian or Langhian) | Mishan Formation | Iran | A goneplacid decapod crustacean, a species of Carcinoplax. |
| Carpopenaeus garassinoi | Sp. nov | Valid | Charbonnier in Petit & Charbonnier | Late Cretaceous | Sahel Alma Lagerstätte | Lebanon | |
| Cenocorystes bretoni | Sp. nov | Valid | Van Bakel et al. | Late Cretaceous (late Cenomanian) | | France | A palaeocorystid crab, a species of Cenocorystes. |
| Cenomanocarcinus cantabricus | Sp. nov | Valid | Van Bakel et al. | Early Cretaceous (Albian) | | Spain | A cenomanocarcinid crab, a species of Cenomanocarcinus. |
| Coleia martinlutheri | sp nov | Valid | Schweigert & Ernst | Sinemurian | | Germany | A coleiid polychelid, a species of Coleia. |
| Cretacolana | Gen. et comb. nov | Valid | Schweitzer & Feldmann | Cenomanian | | France | A porcelain crab, a new genus for "Porcellana" antiqua A. Milne-Edwards, 1862. |
| Cretatrizocheles | gen et sp nov | Valid | Fraaije, Klompmaker, & Artal | Albian or Cenomanian | | Spain | A hermit crab. The type species is Cretatrizocheles olazagutiensis. |
| Cromimaia | Gen. et comb. nov | Valid | Beschin et al. | Eocene | | Italy | A crab belonging to the family Majidae. The type species is "Micromaia" meneguzzoi Beschin, Busulini, De Angeli & Tessier (1985); genus also includes "Micromaia" elegans Beschin, Busulini, De Angeli & Tessier (1985). |
| Cushmanidea tessieri | Sp. nov | Valid | Sarr | Ypresian to Lutetian | | Senegal | A cushmanideid ostracod, a species of Buntonia. |
| Cytherelloidea guineacornensis | Sp. nov | Valid | Puckett in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | Guinea Corn Formation | Jamaica | A cytherellid ostracod, a species of Cytherelloidea. |
| Cytheropteron eleonorae | Sp. nov | Valid | Sciuto | Early Pleistocene | | Italy | A cytherurid ostracod, a species of Cytheropteron. |
| Cytheropteron italoi | Sp. nov | Valid | Sciuto | Early Pleistocene | | Italy | An ostracod, a species of Cytheropteron. |
| Cytheropteron rossanae | Sp. nov | Valid | Sciuto | Early Pleistocene | | Italy | An ostracod, a species of Cytheropteron. |
| Daira coccoi | Sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A crab belonging to the family Dairidae; a species of Daira. |
| Dinochelus steeplensis | Sp. nov | Valid | Tshudy & Saward | Eocene (Ypresian) | London Clay | United Kingdom | A lobster, a species of Dinochelus. |
| Distefania renefraaijei | Sp. nov | Valid | Klompmaker, Feldmann & Schweitzer | Cretaceous (Albian or Cenomanian) | | Spain | A goniodromitid crab, a species of Distefania. |
| Dolocythere tuberculata | Sp. nov | Valid | Luppold | Middle Jurassic | | Germany | An ostracod. Originally described as a species of Dolocythere; Lord, Cabral & Danielopol (2020) transferred this species to the genus Minyocythere. |
| Ebullitiocaris elatus | Sp. nov | Valid | Womack et al. | Carboniferous | | United Kingdom | A member of Cladocera, a species of Ebullitiocaris. |
| Eocytheropteron hazeli | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A cytherurid ostracod, a species of Eocytheropteron. |
| Eocytheropteron jamaicaensis | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A cytherurid ostracod, a species of Eocytheropteron. |
| Eouroptychus | Gen. et sp. nov | Valid | De Angeli & Ceccon | Eocene (Ypresian) | | Italy | A member of Chirostylidae. The type species is E. montemagrensis. |
| Eucytherura mitchelli | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A cytherurid ostracod, a species of Eucytherura. |
| Eomunidopsis aldoirarensis | Sp. nov | Valid | Klompmaker et al. | Cretaceous (Albian or Cenomanian) | | Spain | A galatheoid, a species of Eomunidopsis. |
| Eopaguropsis nidiaquilae | Sp. nov | Valid | Fraaije et al. | Oxfordian | | Poland | A diogenid, a species of Eopaguropsis. |
| Eosymethis | Gen. et sp. nov | Valid | Van Bakel et al. | Eocene (Ypresian) | Roda Formation | Spain | A raninid crab. The type species is Eosymethis aragonensis. |
| Eohexapus orthogonius | Sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A crab belonging to the family Hexapodidae. |
| Eucorystes iserbyti | Sp. nov | Valid | Van Bakel et al. | Early Cretaceous (Albian) | | France | A palaeocorystid crab, a species of Eucorystes. |
| Eucorystes navarrensis | Sp. nov | Valid | Van Bakel et al. | Early Cretaceous (Albian) | | Spain | A palaeocorystid crab, a species of Eucorystes. |
| Faksecarcinus | gen et comb nov | Valid | Schweitzer et al. | Albian or Cenomanian to Danian | | Denmark  Spain | A crab, a new genus for "Xanthosia" gracilis. |
| Ferroranina | Gen. et comb. et sp. nov | Valid | Van Bakel et al. | Late Cretaceous (late Cenomanian to late Campanian) | | Czech Republic  India  Madagascar  Mexico  United States | A palaeocorystid crab. The type species is "Notopocorystes" dichrous Stenzel (1945); genus also contains "Notopocorystes" australis Secretan (1964) and "Notopocorystes" fritschi Glaessner (1929), as well as the new species Ferroranina tamilnadu. |
| Floricythereis | Gen. et sp. et comb. nov | | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica  United States | A trachyleberidid ostracod. Genus includes new species Floricythereis exquisita, as well as F. lixula (Crane, 1965) (the type species was not designated). |
| Galathea mainensis | Sp. nov | Valid | Ceccon & De Angeli | Middle Eocene | | Italy | A species of Galathea. |
| Gebiacantha tuscia | Sp. nov | Valid | Garassino, Pasini, De Angeli & Charbonnier in Garassino et al. | Early Pliocene | | Italy | An upogebiid decapod, a species of Gebiacantha. |
| Geffenina mariebeatriceae | Sp. nov | Valid | Chitnarin in Chitnarin et al. | Late Early Permian | Tak Fa Formation | Thailand | A knoxitid palaeocopidan ostracod, a species of Geffenina. |
| Geffenina mariebeatriceae | Sp. nov | Valid | Chitnarin in Chitnarin et al. | Early Permian | Pha Nok Khao Formation | Thailand | A knoxitid palaeocopidan ostracod, a species of Geffenina. |
| Glyphea wiffenae | Species | Valid | Feldmann and Stilwell | Late Cretaceous | Maungataniwa Sandstone | New Zealand | A glypheid lobster, a species of Glyphea. |
| Glyptopleura mugiensis | Sp. nov | Valid | Tanaka & Yuan in Tanaka et al. | Early Permian | | Japan | An ostracod, a species of Glyptopleura. |
| Goniodromites kubai | sp nov | Valid | Starzyk, Krzemiska, & Krzemiski | Oxfordian | | Poland | A crab, a species of Goniodromites. |
| Gonioplacoides | Gen. et sp. nov | Valid | Quayle & Collins | Eocene | Headon Hill Formation | United Kingdom | A goneplacid. The type species is Gonioplacoides minuta. |
| Graptocarcinus urbasaensis | Sp. nov | Valid | Van Bakel et al. | Late Cretaceous | | Spain | A dynomenid crab, a species of Graptocarcinus. |
| Grinioneis pachycosta | Sp. nov | Valid | Guernet et al. | Eocene (Lutetian) | Paris Basin | France | A trachyleberidid ostracod, a species of Grinioneis. |
| Grolamaia | Gen. et sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A crab belonging to the subfamily Pisinae. The type species is G. vicariottoi. |
| Hadrocarcinus | gen et comb et sp nov | Valid | Schweitzer, Feldmann & Lamanna | Late Cretaceous | | Antarctica | A necrocarcinid crab, a new genus for "Necrocarcinus" wrighti. The genus also contains "Necrocarcinus" carinatus and a new species Hadrocarcinus tectilacus. |
| Harbinia alta | Sp. nov | Valid | Antonietto et al. | Aptian or early Albian | Santana Formation | Brazil | An ostracod crustacean, a species of Harbinia. |
| Headonipus | Gen. et sp. nov | Valid | Quayle & Collins | Late Eocene | Headon Beds | United Kingdom | A hexapodid. The type species is Headonipus tuberculatus. |
| Hemiparacytheridea exquisita | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A paracytherideid ostracod, a species of Hemiparacytheridea. |
| Hispanigalathea | Gen. et 2 sp. nov | Valid | Klompmaker et al. | Cretaceous (Albian or Cenomanian) | | Spain | A galatheoid. Genus contains two species: Hispanigalathea pseudolaevis and H. tuberosa. |
| Huanghestheria linxiensis | Sp. nov | Valid | Niu in Zhang et al. | Late Permian | Linxi Formation | China | A vertexiine lioestheriid spinicaudatan clam shrimp, a species of Huanghestheria. |
| Joeranina | Gen. et comb. et sp. nov | Valid | Van Bakel et al. | Cretaceous (Albian to early Campanian) | | Canada  France  Greenland  Japan  Madagascar  Spain  Switzerland  Syria  United Kingdom  United States | A palaeocorystid crab. The type species is "Corystes" broderipii Mantell (1844). According to the authors of its description genus also contains "Palaeocorystes" harveyi Woodward (1896), "Eucorystes" japonicus Jimbô (1894), "Notopocorystes" paututensis Collins & Wienberg Rasmussen (1992), "Eucorystes" platys Schweitzer & Feldmann (2002) and "Notopocorystes" syriacus Withers (1928), as well as the new species Joeranina gaspari. On the other hand, Karasawa et al. (2014) transferred "P." harveyi, E. platys and "N." paututensis to the genus Eucorystes; the authors also transferred the species "Notopocorystes" xizangensis Wang (1981) to the genus Joeranina. |
| Juracrista | Gen. et 2 sp. nov | Valid | Robins, Feldmann & Schweitzer | Late Jurassic (Tithonian) | Ernstbrunn Limestone | Austria | A munidid. The type species is Juracrista perculta; genus also contains Juracrista costaspinosa. |
| Jurapylocheles iwonae | Sp. nov | Valid | Fraaije et al. | Middle Oxfordian | | Poland | A pylochelid, a species of Jurapylocheles. |
| Kinkelinella circumcostata | Sp. nov | Valid | Luppold | Middle Jurassic | | Germany | An ostracod, a species of Kinkelinella. |
| Kloedenella poschmanni | Sp. nov | Valid | Becker & Franke | Devonian | | Germany | An ostracod. |
| Koryncheiros | Gen. et sp. nov | Valid | Feldmann et al. | Middle or late Anisian | Guanling Formation | China | A decapod crustacean; a clytiopsid erymoid. The type species is Koryncheiros luopingensis. |
| Kroemmelbeincypris | Gen. et comb. nov | Valid | Poropat & Colin | Aptian | | | An ostracod crustacean, a new genus for the species "Hourcqia" symmetrica Krömmelbein & Weber and "Hourcqia" angulata Krömmelbein & Weber. |
| Langdaia meesooki | Sp. nov | Valid | Chitnarin in Chitnarin et al. | Late Early to Middle Permian | Tak Fa Formation | Thailand | A knoxitid palaeocopidan ostracod, a species of Langdaia. |
| Leiocythereis | Gen. et sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A trachyleberidid ostracod. The type species is Leiocythereis polita. |
| Lepas sattmanni | Sp. nov | Valid | Harzhauser & Schlögl | Early Miocene | Ebelsberg Formation | Austria | A lepadid barnacle, a species of Lepas. |
| Lessinicarcinus | Gen. et comb. nov | Valid | De Angeli | Eocene | | Croatia  Italy | A crab belonging to the family Pilumnidae. The type species is "Titanocarcinus" euglyphos Bittner (1875). |
| Lessinipagurus | Gen. et sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A hermit crab. Originally assigned to the family Paguridae, subsequently transferred to the separate family Xylopaguridae by Gašparič et al. (2016). The type species is L. granulatus. |
| Lienenklausicythere | Gen. et comb. nov | Valid | Uffenorde, Monostori & Tóth | Eocene to Oligocene | | Europe | An ostracod, a new genus for "Hermanites" acuticosta and "Hermanites" camela; genus also contains a new, yet-unnamed species. |
| Ljubimovella debilicostatus | Sp. nov | Valid | Luppold | Middle Jurassic | | Germany | An ostracod, a species of Ljubimovella. |
| Lobonotus beschini | Sp. nov | Valid | De Angeli & Checchi | Eocene (Lutetian) | | Italy | A crab belonging to the family Tumidocarcinidae. |
| Loxoconcha pindarsensis | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A loxoconchid ostracod, a species of Loxoconcha. |
| Marylyreidus | Gen. et comb. nov | Valid | Van Bakel et al. | Cretaceous (late Albian–early Cenomanian) | Pawpaw Formation | United States | A lyreidid crab. The type species is "Notopocorystes" punctatus Rathbun (1935). |
| Megokkos patagoniensis | Sp. nov | Valid | Schweitzer et al. | Eocene | Rio Turbio Formation | Argentina | A crab, a species of Megokkos. |
| Mesoparapylocheles | gen et sp nov | Valid | Fraaije, Klompmaker, & Artal | Albian or Cenomanian | | Spain | A hermit crab. The type species is Mesoparapylocheles michaeljacksoni. |
| Microcheilinella subovata | Sp. nov | Valid | Tanaka & Maeda in Tanaka et al. | Early Permian | | Japan | An ostracod, a species of Microcheilinella. |
| Microcheilinella tsubogawensis | Sp. nov | Valid | Tanaka & Ichida in Tanaka et al. | Early Permian | | Japan | An ostracod, a species of Microcheilinella. |
| Microcoelonella takfaensis | Sp. nov | Valid | Chitnarin in Chitnarin et al. | Middle Permian | Tak Fa Formation | Thailand | A coelonellid palaeocopidan ostracod, a species of Microcoelonella. |
| Microcoelonella takliensis | Sp. nov | Valid | Chitnarin in Chitnarin et al. | Middle Permian | Tak Fa Formation | Thailand | A coelonellid palaeocopidan ostracod, a species of Microcoelonella. |
| Munida deangelii | Sp. nov | Valid | Robins, Feldmann & Schweitzer | Late Oligocene to early Miocene | Río Foyel Formation | Argentina | A munidid, a species of Munida. |
| Myra gurii | Sp. nov | Valid | Vega et al. | Miocene (Burdigalian or Langhian) | Mishan Formation | Iran | A leucosiid decapod crustacean, a species of Myra. |
| Navarradromites | Gen. et sp. nov | Valid | Klompmaker, Feldmann & Schweitzer | Cretaceous (Albian or Cenomanian) | | Spain | A goniodromitid crab. The type species is Navarradromites pedroartali. |
| Navarrahomola | Gen. et sp. nov. | Valid | Artal et al. | Cretaceous (Albian or Cenomanian) | | Spain | A homolid crab. The type species is Navarrahomola hispanica. |
| Neocallichirus bacatus | Sp. nov | Valid | Busulini, Beschin & Tessier | Eocene (Priabonian) | | Italy | A member of Callianassidae. |
| Neocytherideis labyrinthoidea | Sp. nov | Valid | Guernet et al. | Eocene (Lutetian) | Paris Basin | France | A neocytherideid ostracod, a species of Neocytherideis. |
| Neocytheromorpha priscipacifica | Sp. nov | Valid | Yamaguchi, Mashiba & Kamiya | Miocene | Osaki Formation | Japan | An ostracod, a species of Neocytheromorpha. |
| Neurocythere jakovlevae | Sp. nov | Valid | Kolpenskaya in Tesakova et al. | Late Jurassic (Early Kimmeridgian) | | Russia | An ostracod, a species of Neurocythere. |
| Nitotacarcinus antipodes | Sp. nov | Valid | Schweitzer et al. | Eocene | Rio Turbio Formation | Argentina | A crab, a species of Nitotacarcinus. |
| Nodosculda | Gen. et sp. nov | Valid | Franţescu | Early Cretaceous (late Albian) | | United States | A mantis shrimp. The type species is Nodosculda fisherorum. |
| Noetlingocarcinus messinai | Sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A crab belonging to the superfamily Dromioidea and the family Basinotopidae, a species of Noetlingocarcinus. |
| Nogarhomola | Gen. et sp. nov | Valid | De Angeli & Alberti | Eocene (Lutetian) | | Italy | A homolid crab. The type species is Nogarhomola aurorae. |
| Notopocorystes kerri | Sp. nov | Valid | Luque et al. | Early Cretaceous (late Aptian) | Paja Formation | Colombia | A palaeocorystid raninoid crab. Initially described as a species of Notopocorystes, but subsequently reassigned to the genus Joeranina. |
| Nykteripteryx | Gen. et sp. nov | Valid | Klompmaker et al. | Cretaceous (Albian or Cenomanian) | | Spain | A galatheoid. The type species is Nykteripteryx rostrata. |
| Ochtholambrus gambillarai | Sp. nov | Valid | Busulini, Beschin & Tessier | Eocene (Priabonian) | | Italy | A crab belonging to the family Parthenopidae. |
| Odontodactylus italicus | Sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A mantis shrimp belonging to the family Odontodactylidae; a species of Odontodactylus. |
| Ommaciria | Gen. et comb. nov | Valid | Beschin et al. | Eocene | | Italy | A crab belonging to the family Majidae. The type species is "Micromaia" mainensis Beschin, Busulini, De Angeli & Tessier (1985). |
| Orthobairdia jeanlouisi | Sp. nov | Valid | Forel | Early Triassic (Griesbachian) | Daye Formation | China | A bairdiid ostracod, a species of Orthobairdia. |
| Ovocytheridea rotunda | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A cytherideid ostracod, a species of Ovocytheridea. |
| Paguristes gagnaisoni | Sp. nov | Valid | Gagnaison | Miocene | | France | A species of Paguristes. |
| Pagurus valdagnensis | Sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A hermit crab belonging to the family Paguridae, a species of Pagurus. |
| Palaega picena | Sp. nov | Valid | Pasini & Garassino | Miocene | | Italy | A cirolanid isopod, a species of Palaega. |
| Palaega pisana | Sp. nov | Junior synonym | Pasini & Garassino | Pliocene | | Italy | A cirolanid isopod. Originally described as a species of Palaega; considered to be a junior synonym of Bathynomus sismondai (Ristori, 1891) by Hyžný, Pasini & Garassino (2019). |
| Palaega steatopigia | Sp. nov | Nomen dubium | Pasini & Garassino | Pliocene | | Italy | A cirolanid isopod. Originally described as a species of Palaega; Hyžný, Pasini & Garassino (2019) considered this species to be a nomen dubium and reassigned it to the genus Bathynomus. |
| Palaeohomarus pacificus | Sp. nov | Valid | Aguirre-Urreta, Lazo & Rawson | Late Hauterivian or early Barremian | Agrio Formation | Argentina | A decapod crustacean, a species of Palaeohomarus. |
| Paracypris keiji | Sp. nov | Valid | Guernet et al. | Eocene (Lutetian) | Paris Basin | France | A candonid ostracod, a species of Paracypris. |
| Paranecrocarcinus balla | Sp. nov | Valid | Van Bakel et al. | Late Cretaceous (Cenomanian) | | France | A necrocarcinid crab, a species of Paranecrocarcinus. |
| Periosocypris | Gen. et sp. nov | Valid | Whatley, Khosla & Rathore | Late Cretaceous (Maastrichtian) | Lameta Formation | India | A cypridid ostracod. The type species is Periosocypris megistus. |
| Petrochirus savii | Sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A hermit crab belonging to the family Diogenidae, a species of Petrochirus. |
| Phrixocythere | Gen. et sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A hemicytherid ostracod. The type species is Phrixocythere unionensis. |
| Planocarcinus | Gen. et comb. nov | Valid | Luque et al. | Early Cretaceous (late Aptian) | Paja Formation | Colombia | A necrocarcinid raninoid crab, a new genus for "Dakoticancer" olssoni Rathbun (1937). |
| Podocallichirus laepaensis | Sp. nov | Valid | Hyžný & Muñiz | Late Miocene | | Spain | A callianassid ghost shrimp. Originally described as a species of Podocallichirus; subsequently transferred to the genus Balsscallichirus by Hyžný (2016). |
| Protobuntonia warorei | Sp. nov | Valid | Sarr | Paleocene to Ypresian | | Senegal  Togo | A trachyleberidid ostracod, a species of Buntonia. |
| Pterygocythereis babinoti | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A trachyleberidid ostracod, a species of Pterygocythereis. |
| Pylochelitergites | Gen. et 2 sp. nov | Valid | Fraaije et al. | Oxfordian to Kimmeridgian | | Germany  Poland | A pylochelid hermit crab. Genus contains two species: P. westerbergensis (the type species) and P. gelasinus. |
| Quasilaeviranina minuscula | Sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A crab belonging to the family Raninidae, a species of Quasilaeviranina. |
| Raninoides rioturbiensis | Sp. nov | Valid | Schweitzer et al. | Eocene | Rio Turbio Formation | Argentina | A crab, a species of Raninoides. |
| Rhinolambrus elongatus | Sp. nov | Valid | Beschin et al. | Eocene (Lutetian) | | Italy | A crab belonging to the family Parthenopidae; a species of Rhinolambrus. |
| Ristoria | Gen. et comb. nov | Valid | Garassino, Pasini, De Angeli & Charbonnier in Garassino et al. | Early Pliocene | | Italy | A leucosiid crab, a new genus for "Ilia" pliocaenica Ristori, 1891. |
| Samarella sonei | Sp. nov | Valid | Chitnarin in Chitnarin et al. | Middle Permian | Tak Fa Formation | Thailand | A paraparchitid palaeocopidan ostracod, a species of Samarella. |
| Samarella viscusforma | Sp. nov | Valid | Chitnarin in Chitnarin et al. | Early to Middle Permian | Pha Nok Khao Formation Tak Fa Formation | Thailand | A paraparchitid palaeocopidan ostracod, a species of Samarella. |
| Sargentina chantarameei | Sp. nov | Valid | Chitnarin in Chitnarin et al. | Early to Middle Permian | Pha Nok Khao Formation Tak Fa Formation | Thailand | A knoxitid palaeocopidan ostracod, a species of Sargentina. |
| Scalpellum paratethyianum | Sp. nov | Valid | Harzhauser & Schlögl | Early Miocene | Lakšárska Nová Ves Formation | Slovakia | A scalpellid barnacle, a species of Scalpellum. |
| Schizoptocythere nana | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A trachyleberidid ostracod, a species of Schizoptocythere. |
| Schizoptocythere pinna | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A trachyleberidid ostracod, a species of Schizoptocythere. |
| Schuleridea exigua | Sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica | A cytherideid ostracod, a species of Schuleridea. |
| Semicytherura carioui | Sp. nov | Valid | Sarr | Ypresian to Lutetian | | Senegal | A cytherurid ostracod, a species of Semicytherura. |
| Sineruga | gen et sp nov | Valid | Perrier | Silurian (uppermost Ludlow to lower Pridoli) | Le Val Formation | France | myodocope ostracod. type species is Sineruga insolita. |
| Southcavea (Saxosouthcavea) | Subgen. et 3 sp. nov | Valid | Luppold | Middle Jurassic | | Germany | An ostracod, a subgenus of Southcavea containing three new species: Southcavea (Saxosouthcavea) extendata, Southcavea (Saxosouthcavea) bartenbrandi and Southcavea (Saxosouthcavea) malzi (with two subspecies: S. (S.) malzi malzi and S. (S.) malzi reticulata). |
| Spinicytheridea | Gen. et sp. nov | Valid | Puckett & Colin in Puckett, Colin & Mitchell | Late Cretaceous (Maastrichtian) | | Jamaica  Mexico | A cytherideid ostracod. The type species is Spinicytheridea compta from Jamaica; genus also includes a second, unnamed species from the Maastrichtian Ocozocoautla Formation of Chiapas, Mexico. |
| Spinirostrimaia | Gen. et comb. nov | Valid | Beschin et al. | Eocene | | Italy  Spain | A crab belonging to the family Majidae. The type species is "Micromaia" margaritata Fabiani (1910). |
| Stagmacaris adielklompmakeri | Sp. nov | Valid | Fraaije et al. | Early late Kimmeridgian | | Germany | A pylochelid hermit crab, a species of Stagmacaris. |
| Stagmacaris biarcus | Sp. nov | Valid | Fraaije et al. | Middle Oxfordian | | Poland | A pylochelid hermit crab, a species of Stagmacaris. |
| Steorrosia | gen et comb nov | Valid | Schweitzer et al. | Late Albian to Cenomanian | | United States | Crab, New genus for "Xanthosia" aspera. Other species S. pawpawensis and S. reidi. |
| Styracocarcinus | Gen. et comb. nov | Valid | Schweitzer & Feldmann | Late Cretaceous (Senonian) | | Morocco | A tumidocarcinid decapod, a new genus for "Titanocarcinus" meridionalis Secretan, 1961. |
| Superpendicythere | Gen. et sp. nov | Valid | Luppold | Middle Jurassic | | Germany | An ostracod. The type species is S. binodosa. |
| Symethoides | Gen. et sp. nov | Valid | Van Bakel et al. | Paleocene (early Danian) | Tinton Formation | United States | A raninid crab. The type species is Symethoides monmouthorum. |
| Szaboa deppermanni | Sp. nov | Valid | Fraaije et al. | Oligocene | Ratzeburg Formation | Germany | A matutid crab, a species of Szaboa. |
| Thalamita italica | Sp. nov | Valid | Garassino, Pasini, De Angeli & Charbonnier in Garassino et al. | Early Pliocene | | Italy | A portunid crab, a species of Thalamita. |
| Tridactylastacus | Gen. et sp. nov | Valid | Feldmann et al. | Middle or late Anisian | Guanling Formation | China | A decapod crustacean; a glypheoid belonging to the family Litogastridae. The type species is Tridactylastacus sinensis. |
| Turbiocheir | Gen. et sp. nov | Disputed | Schweitzer et al. | Eocene | Rio Turbio Formation | Argentina  Chile  Venezuela | A thalassinidean. The type species is Turbiocheir minutospinata. Hyžný et al. (2020) considered the genus Turbiocheir to be a junior synonym of the genus Anacalliax, creating a new combination Anacalliax minutospinata. |
| Vecticallichirus | Gen. et sp. nov | Valid | Quayle & Collins | Late Eocene and Oligocene | Headon Beds | United Kingdom | A callichirid ghost shrimp. The type species is Vecticallichirus abditus. Hyžný (2020) considered V. abditus to be a junior synonym of "Callianassa" batei Woodward (1869), resulting in a new combination Vecticallichirus batei. |
| Vegaranina | Gen. et comb. nov | Valid | Van Bakel et al. | Late Cretaceous (Campanian–Maastrichtian) | | Cuba  France  Mexico  United States ( Puerto Rico) | A raninid crab. The type species is "Lophoranina" precocious Feldmann, Vega, Tucker, García-Barrera & Avendaño (1996). |
| Vernoniella tenuipora | Sp. nov | Valid | Luppold | Middle Jurassic | | Germany | An ostracod, a species of Vernoniella. |
| Viaia | Gen. et sp. nov. | Valid | Artal et al. | Cretaceous (Albian or Cenomanian) | | Spain | A viaiid glaessneropsoid crab. The type species is Viaia robusta. |
| Yunnanopalinura | Gen. et sp. nov | Valid | Feldmann et al. | Middle or late Anisian | Guanling Formation | China | A decapod crustacean; a spiny lobster. The type species is Yunnanopalinura schrami. |

## Eurypterids

| Name | Novelty | Status | Authors | Age | Location | Notes |
| Adelophthalmus dubius | Sp. nov | Valid | Shpinev | Middle Devonian | Russia | A eurypterid, a species of Adelophthalmus. |
| Adelophthalmus kamyshtensis | Sp. nov | Valid | Shpinev | Middle Devonian | Russia | A eurypterid, a species of Adelophthalmus. |
| Drepanopterus odontospathus | Sp. nov | Valid | Lamsdell | Early Devonian | Canada | A eurypterid. |
| Nanahughmilleria notosibirica | Sp. nov | Valid | Shpinev | Devonian | Russia | A eurypterid, a species of Nanahughmilleria. |
| Parahughmilleria longa | Sp. nov | Valid | Shpinev | Devonian | Russia | A eurypterid, a species of Parahughmilleria. |
| Stylonuroides orientalis | Sp. nov | Valid | Shpinev | Devonian | Russia | A eurypterid, a species of Stylonuroides. |

## Trilobites

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Abanomocarella | Gen. et sp. et comb. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Anomocarellidae. Genus includes new species A. quadrata, as well as A. humilis (Resser & Endo in Endo & Resser, 1937) and A. pyriformis (Resser & Endo in Endo & Resser, 1937). |
| Acmarhachis kindlei | Sp nov | Valid | Westrop & Eoff | Late Cambrian | Cow Head Group | Canada | An agnostid, a species of Acmarhachis. |
| Acmarhachis whittingtoni | Sp nov | Valid | Westrop & Eoff | Late Cambrian | Cow Head Group | Canada | An agnostid, a species of Acmarhachis. |
| Angsiduoa jiulongshanensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Ignotogregatidae. |
| Angsiduoa shanxiensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Ignotogregatidae. |
| Angsiduoa transversa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Ignotogregatidae. |
| Anomocarella? antiqua | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Anomocarellidae. |
| Anomocarella jiulongshanensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Anomocarellidae. |
| Anomocarella similis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Anomocarellidae. |
| Aponileus aasei | Sp nov | Valid | Adrain & McAdams | Early Ordovician (late Floian) | Fillmore Formation | United States | A bathyurid trilobite, a species of Aponileus. |
| Aponileus belkaae | Sp nov | Valid | Adrain & McAdams | Early Ordovician (late Floian) | Wah Wah Formation | United States | A bathyurid trilobite, a species of Aponileus. |
| Aponileus laikaae | Sp nov | Valid | Adrain & McAdams | Early Ordovician (late Floian) | Fillmore Formation | United States | A bathyurid trilobite, a species of Aponileus. |
| Aponileus strelkaae | Sp nov | Valid | Adrain & McAdams | Early Ordovician (late Floian) | Wah Wah Formation | United States | A bathyurid trilobite, a species of Aponileus. |
| Aponileus ugolekae | Sp nov | Valid | Adrain & McAdams | Early Ordovician (late Floian) | Wah Wah Formation | United States | A bathyurid trilobite, a species of Aponileus. |
| Aponileus? veterokae | Sp nov | Valid | Adrain & McAdams | Early Ordovician (late Floian) | Wah Wah Formation | United States | A bathyurid trilobite, a possible species of Aponileus. |
| Archaeagnostus typicus | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Peronopsidae. |
| Archegonus (Phillibole) nehdenensis africanus | Subsp. nov | Valid | Hahn, Müller & Becker | Carboniferous (Mississippian) | | Morocco | A member of Phillipsiidae belonging to the subfamily Archegoninae, a subspecies of Archegonus nehdenensis. |
| Asaphellus cuervoae | Sp. nov | Disputed | Corbacho & López-Soriano | Ordovician (Floian) | Upper Fezouata Formation | Morocco | A member of Asaphidae, a species of Asaphellus. Gutiérrez-Marco et al. (2017) considered this species to be likely based on poorly preserved and probably retouched specimens of Asaphellus stubbsi. |
| Astycoryphe arduinnae | Sp nov | Valid | Van Viersen, van Rossum & Prescher | Middle Devonian | | Belgium | A member of Proetida. |
| Australoscutellum iota | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Australoscutellum. |
| Australoscutellum microps | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Australoscutellum. |
| Australoscutellum pulex | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Australoscutellum. |
| Australoscutellum trica | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Australoscutellum. |
| Baltagnostus yaojiayuensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Diplagnostidae. |
| Baojingia (Eobaojingia) | Subgen. et 2 sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Lisaniidae. The subgenus includes Baojingia (Eobaojingia) dubia and Baojingia (Eobaojingia) ezhuangensis, as well as Baojingia miaogouensis Mong in Zhou et al. (1977). |
| Borenoria | gen et sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite. The type species is Borenoria cirrita. |
| Bumastoides graffhami | Sp nov | Valid | Carlucci et al. | Ordovician | | United States | An illaenid trilobite, a species of Bumastoides. |
| Bumastoides kimmswickensis | Sp nov | Valid | Carlucci et al. | Ordovician | | United States | An illaenid trilobite, a species of Bumastoides. |
| Bumastoides moundensis | Sp nov | Valid | Carlucci et al. | Ordovician | | United States | An illaenid trilobite, a species of Bumastoides. |
| Calymene harringtoni | Sp. nov | Valid | Tortello in Tortello et al. | Early Silurian | Vargas Peña Formation | Paraguay | A species of Calymene. |
| Chlupacula (Chlupacula) erfoudensis | Sp. nov | Valid | Hahn, Müller & Becker | Carboniferous (Mississippian) | | Morocco | A member of Phillipsiidae belonging to the subfamily Archegoninae, a species of Chlupacula. |
| Crepicephalina exsculpta | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Crepicephalina obscura | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Crepicephalina pulchra | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Crepicephalina? rara | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Crepicephalina woqishanensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Cummingella boikoi | sp nov | Valid | Mychko | Sakmarian | | Russia | A phillipsiid, a species of Cummingella. |
| Cyrtoproetus (Crassibole) acrops | Sp. nov | Valid | Hahn, Müller & Becker | Carboniferous (Mississippian) | | Morocco | A member of Phillipsiidae belonging to the subfamily Archegoninae, a species of Cyrtoproetus. |
| Dalejeproetus owensi | Sp nov | Valid | Johnson & Fortey | Early Devonian (Pragian) | Ihandar Formation | Morocco | A proetid trilobite, a species of Dalejeproetus. |
| Dalejeproetus sagaouii | Sp nov | Valid | Johnson & Fortey | Early Devonian (Pragian) | Ihandar Formation | Morocco | A proetid trilobite, a species of Dalejeproetus. |
| Dameselloides | Gen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Damesellidae. Genus includes new species D. sinensis. |
| Danjiangella shandongensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Dechenelloides tazoultensis | Sp. nov | Valid | Hahn, Müller & Becker | Carboniferous (Mississippian) | | Morocco | A member of Phillipsiidae belonging to the subfamily Archegoninae, a species of Dechenelloides. |
| Decoroscutellum planes | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Decoroscutellum. |
| Derikaspis conicus | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Derikaspis ruichengensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Diacoryphe (Archaeocoryphe) maiderensis | Sp. nov | Valid | Hahn, Müller & Becker | Carboniferous (Mississippian) | | Morocco | A member of Phillipsiidae belonging to the subfamily Archegoninae, a species of Diacoryphe. |
| Dindymene whittingtoni | Sp nov | Valid | Owen & Bruton | Late Ordovician | | United States | A species of Dindymene. |
| Dorypyge cylindrica | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Dorypyge zhangxianensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Dunopyge seiberti | Sp. nov | Valid | Basse & Müller | Early Devonian | Seifen Beds | Germany | A member of Acastidae belonging to the subfamily Asteropyginae, a species of Dunopyge. |
| Eilura trapezialis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Elaphraella? taebaeksanensis | Sp. nov | Valid | Park & Choi | Cambrian (middle Furongian) | Sesong Formation | South Korea | A member of the family Shumardiidae. |
| Emmrichella punctata | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Ptychopariidae. |
| Eokoldinia | Gen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Plethopeltidae. Genus includes new species E. porifera. |
| Eomapania | Gen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Mapaniidae. Genus includes new species E. subquadrata. |
| Eoscutellum annosum | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Eoscutellum. |
| Eymekops pristina | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Eymekops transversa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Grandioculus macroculus | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Grandioculus (Protohedina) quadraticephala | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Gumunsoia | Gen. et sp. nov | Valid | Park, Sohn & Choi | Cambrian (middle Furongian) | Sesong Formation | South Korea | A member of Leiostegioidea belonging to the family Kaolishaniidae. Genus includes new species G. triangularis. |
| Gushanella | Gen. et 2 sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Solenopleuridae. Genus includes new species G. quadrata and G. truncata. |
| Heyelingella crassa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Honania porifera | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Huayuanaspis angustilimbata | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Idioura brevispina | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Illaenoscutellum tryo | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Illaenoscutellum. |
| Inouyella rara | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Inouyella shiliuyuanensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Inouyia (Bulbinouyia) | Subgen. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Inouyiidae. The subgenus includes Inouyia kangzhuangensis (Zhang & Wang, 1985) and I. lubrica (Zhou in Zhou et al., 1982). |
| Inouyia latilimbata | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Iranoleesia pustulosa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Iranoleesia (Proasaphiscina) rogosa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Japonoscutellum borenorense | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Japonoscutellum. |
| Japonoscutellum crassum | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Japonoscutellum. |
| Japonoscutellum diascetum | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Japonoscutellum. |
| Japonoscutellum gephyricum | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Japonoscutellum. |
| Japonoscutellum guttulatum | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Japonoscutellum. |
| Japonoscutellum serangicum | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Japonoscutellum. |
| Japonoscutellum strabo | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Japonoscutellum. |
| Jiulongshania shandongensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Diceratocephalidae. |
| Koptura (Eokoptura) | Subgen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Anomocaridae. The subgenus includes new species Koptura (Eokoptura) bella, as well as Koptura quadrata (Resser & Endo in Endo & Resser, 1937). |
| Koptura intermedia | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Anomocaridae. |
| Kosovopeltis trepida | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Kosovopeltis. |
| Kosovopeltis xynon | sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite, a species of Kosovopeltis. |
| Lepidoproetus lahceni | Sp nov | Valid | Johnson & Fortey | Early Devonian (Pragian) | Ihandar Formation | Morocco | A proetid trilobite, a species of Lepidoproetus. |
| Lepidoproetus maharchianus | Sp nov | Valid | Johnson & Fortey | Early Devonian (Pragian) | Ihandar Formation | Morocco | A proetid trilobite, a species of Lepidoproetus. |
| Lepidoproetus splendens | Sp nov | Valid | Johnson & Fortey | Early Devonian (Pragian) | Ihandar Formation | Morocco | A proetid trilobite, a species of Lepidoproetus. |
| Liowutaishania laevigata | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Lisania elliptica | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Longiproetus meiopsifius | Sp nov | Valid | Van Viersen, van Rossum & Prescher | Middle Devonian | | Belgium | A member of Proetida. |
| Lunania | Gen. nov | Junior homonym | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Menocephalidae. The generic name is preoccupied by Lunania Chow (1957). |
| Maotunia transversa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Mapania (Mapanella) | Subgen. et 2 sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Mapaniidae. The subgenus includes new species M. (Mapanella) transversa and M. (Mapanella) prisca, as well as Mapania blackwelderi (Resser & Endo in Endo & Resser, 1937). |
| Mapania subcylindrica | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Mapanopsis conicus | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Maurotarion megacephalum | Sp. nov. | Valid | Rustán & Vaccari | Early Devonian (Pragian) | Talacasto Formation | Argentina | An otarionine aulacopleurid, a species of Maurotarion. |
| Megagraulos similis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Menocephalina | Gen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Menocephalidae. Genus includes new species M. longispinosa. |
| Menocephalites (Hutoushania) | Subgen. et 2 sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Menocephalidae. The subgenus includes Menocephalites (Hutoushania) triangulata and M. (Hutoushania) zaozhuangansis. |
| Menocephalites porosus | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Menocephalites primitivus | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Menocephalites simplex | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Metanomocarella primitiva | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Micagnostus semicircularis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Mirrabooka | gen et sp nov | Valid | Holloway and Lane | Silurian | | Australia | A scutelluid trilobite. The type species is Mirrabooka harryi. |
| Monkaspis conica | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Ohleum magreani | Sp nov | Valid | Taghon, Bonino & Mottequin | Devonian (Eifelian) | Jemelle Formation | Belgium | A member of Lichida belonging to the family Lichidae. |
| Pagetides qianensis | Sp nov | Valid | Zhang & Clarkson | Cambrian | | China | An eodiscoid trilobite, a species of Pagetides. |
| Paleonelsonia granulosa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Ptychopariidae. |
| Paleonelsonia sulcata | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Ptychopariidae. |
| Paracoosia langgongsiensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Anomocaridae. |
| Paralevisia subglobosa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Parayujinia pulchra | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Peishania abnormis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Peishania obscura | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Peronopsis jiulongshanensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Peronopsis universalis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Persia | Gen. et sp. nov | Junior homonym | Lerosey-Aubril | Carboniferous (Tournaisian) | | Iran | The type species is Persia praecox. The generic name is preoccupied by Persia Repin (1996); Lerosey-Aubril & Deshmukh (2022) coined a replacement name Persiax. |
| Pilletina seifenensis | Sp. nov | Valid | Basse & Müller | Early Devonian | Seifen Beds | Germany | A member of Acastidae belonging to the subfamily Asteropyginae, a species of Pilletina. |
| Pingluia granulosa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Plectocrania elegans | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Plectocrania intermedia | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Plesigangderria latilimbata | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Podoliproetus mirdani | Sp nov | Valid | Johnson & Fortey | Early Devonian (Pragian) | Ihandar Formation | Morocco | A proetid trilobite, a species of Podoliproetus. |
| Podoliproetus sinespina | Sp nov | Valid | Johnson & Fortey | Early Devonian (Pragian) | Ihandar Formation | Morocco | A proetid trilobite, a species of Podoliproetus. |
| Praeymekops | Gen. et sp. et comb. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Proasaphiscidae. Genus includes new species P. minutus, as well as P. sinensis (Mansuy, 1916). |
| Proasaphiscus laiwuensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Proetina ihamadii | Sp nov | Valid | Johnson & Fortey | Early Devonian (Pragian) | Ihandar Formation | Morocco | A proetid trilobite, a species of Proetina. |
| Pseudoolenoides fossilmountainensis | Sp nov | Valid | Adrain, McAdams & Karim | Middle Ordovician | Kanosh Formation | United States | A bathyurid, a species of Pseudoolenoides. |
| Pseudoolenoides oilcreekensis | Sp nov | Valid | Adrain, McAdams & Karim | Middle Ordovician | Oil Creek Formation | United States | A bathyurid, a species of Pseudoolenoides. |
| Pseudoolenoides pogonipensis | Sp nov | Valid | Adrain, McAdams & Karim | Middle Ordovician | Kanosh Formation | United States | A bathyurid, a species of Pseudoolenoides. |
| Pseudopeishania | Gen. et 3 sp. et comb. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Anomocarellidae. Genus includes new species P. brevis, P. similis and P. woqishanensis, as well as P. angustata (Endo, 1944). |
| Pseudoperonopsis elegans | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Pseudophillipsia parvizii | Sp. nov | Valid | Lerosey-Aubril | Permian | | Iran | A species of Pseudophillipsia sensu lato. |
| Pseudotaitzuia angustilimbata | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Asaphida belonging to the family Ordosiidae. |
| Pseudotaitzuia rara | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Asaphida belonging to the family Ordosiidae. |
| Pudoproetus zhorae | Sp. nov | Valid | Hahn, Müller & Becker | Carboniferous (Mississippian) | | Morocco | A member of Proetidae, a species of Pudoproetus. |
| Raragnostus intermedius | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Raymondaspis grandigena | sp nov | Valid | Stein & Bergström | Middle Ordovician | | Sweden | A styginid, a species of Raymondaspis. |
| Reediella mitchelli tafilaltensis | Subsp. nov | Valid | Hahn, Müller & Becker | Carboniferous (Mississippian) | | Morocco | A member of Phillipsiidae belonging to the subfamily Bollandiinae, a subspecies of Reediella mitchelli. |
| Ruichengocephalus | Gen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Ptychopariidae. Genus includes new species R. typicus. |
| Saimachia yichangensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Schopfaspis? graciai | sp nov | Valid | Esteve et al.. | Middle Cambrian | | Spain | An alokistocarid, possibly a species of Schopfaspis. |
| Sdzuyella conica | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belongig to the family Holocephalidae. |
| Securifrons | gen et comb nov | Valid | Holloway and Lane | Ordovician to Silurian | | | Scutelluid trilobite. species- S. borealis, S. cunctatum, S. major and ?S. umbonatus. |
| Shiliuyuania | Gen. et 2 sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Crepicephalidae. Genus includes new species S. cylindrica and S. quadrata. |
| Solenoparia zhangxianensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Solenoparina bella | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Sphaerophthalmus arcus | Sp nov | Valid | Høyberget & Bruton | Cambrian (Furongian) | Alum Shale Formation | Norway | A member of the family Olenidae. |
| Spiniscabrella albertii | Sp. nov | Valid | Müller & Franke | Devonian | | Germany | A member of the family Homalonotidae. |
| Sudanomocarina elliptica | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Sudanomocarina hutoushanensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Symphysops stevaninae | Sp. nov | Valid | López-Soriano & Corbacho | Late Ordovician | Lower Ktaoua Formation | Morocco | A member of Cyclopygidae, a species of Symphysops. |
| Szeaspis (Pseudoszeaspis) | Subgen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Anomocarellidae. The subgenus includes new species Szeaspis (Pseudoszeaspis) conicus, as well as Szeaspis huananensis Peng, Babcock & Lin (2004) and Szeaspis pustulosa (Resser & Endo in Endo & Resser, 1937). |
| Szeaspis crassus | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Anomocarellidae. |
| Taitzehoia huolianzhaiensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Damesellidae. |
| Teinistion jiulongshanense | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Damesellidae. |
| Teinistion quadratum | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Damesellidae. |
| Teinistion yangjiazhuangense | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Damesellidae. |
| Tomagnostus (Paratomagnostus) | Subgen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Ptychagnostidae. The subgenus includes Tomagnostus (Paratomagnostus) ezhuangensis. |
| Trachoparia elongata | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Trachoparia intermedia | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Trachoparia spinosa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Triangulopyge | Gen. et comb. nov | Valid | Høyberget & Bruton | Cambrian | | Norway  Sweden  United Kingdom | A member of the family Olenidae. The type species is "Olenus" humilis Phillips (1848); genus also includes "Sphaerophthalmus" majusculus Linnarsson (1880) and T. major (Lake, 1913). |
| Tsunyidiscus pengshuiensis | Sp nov | Valid | Zhang & Clarkson | Cambrian | | China | An eodiscoid trilobite, a species of Tsunyidiscus. |
| Ulania concava | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Utagnostus primitivus | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Clavagnostidae. |
| Utagnostus sulcatus | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Clavagnostidae. |
| Woqishanaspis | Gen. et comb. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Ignotogregatidae. Genus includes W. trapezoidalis (Lin, 1984). |
| Wutaishanaspis yangjiazhuangensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Xenolorenzella granulosa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Yichengocephalus | Gen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Solenopleuridae. Genus includes new species Y. latus. |
| Yongwolia quadrata | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Yushugouia ezhuangensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Zhangxiaspis | Gen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Ptychopariidae. Genus includes new species Z. subcylindrica. |
| Zhongtiaoshanella | Gen. et sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Crepicephalidae. Genus includes new species Z. brevispinosa. |
| Zhongweia convexa | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | |
| Zhujia yangjiazhuangensis | Sp. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of Ptychopariida belonging to the family Anomocarellidae. |
| Zichuanaspis | Gen. et 2 sp. et comb. nov | Valid | Yuan et al. | Cambrian | Changhia Formation | China | A member of the family Leiostegiidae. Genus includes Zichuanaspis acerius (Walcott, 1905) and Z. catinus (Resser & Endo in Endo & Resser, 1937), as well as new species Z. yangjiazhuangensis and possibly Z? latilimbata. |

## Others

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Australimicola | Gen. et sp. | Valid | Paterson, García-Bellido and Edgecombe | Early Cambrian | The Emu Bay Shale Konservat-Lagerstätte | Australia | An artiopodan arthropod. The type species is Australimicola spriggi. |
| Kangacaris shui | Sp. nov | Valid | Zhang, Fu & Dai | Lower Cambrian | Chengjiang lagerstätte | China | A species of Kangacaris. |
| Luohuilinella | Gen. et sp. nov | Valid | Zhang, Fu & Dai | Lower Cambrian | Chengjiang Lagerstätte | China | A possible member of Xandarellida. The type species is Luohuilinella rarus. |
| Nereocaris | Gen. et sp. nov | Valid | Legg et al. | Cambrian | Burgess Shale Formation | Canada | A bivalved arthropod, one of the basalmost known arthropods. The type species is Nereocaris exilis. |
| Pleuralata | Gen. et sp. nov | Valid | McCoy, Strother and Briggs | Silurian (Llandovery) | Tuscarora Formation | United States | An arthropod of uncertain phylogenetic affinities, a probable tracemaker of Arthrophycus alleghaniensis trace fossils. The type species is Pleuralata spinosa. |
| Scolopocryptops simojovelensis | Sp. nov | Valid | Edgecombe et al. | Miocene | | Mexico | A scolopocryptopid scolopendromorph centipede, a species of Scolopocryptops. |
| Sinoleperditia hamadai | Sp. nov | Valid | Tanaka, Ono and Maeda | Early Devonian | | Japan | A member of Leperditicopida (a group of arthropods of uncertain affinities, classified as ostracods or excluded from this group by different authors), a species of Sinoleperditia. |
| Sinoleperditia huyeni | Sp. nov | Valid | Tanaka, Phong and Komatsu | Early Devonian | | Vietnam | A member of Leperditicopida, a species of Sinoleperditia. |
| Squamacula buckorum | Species | Valid | Paterson, García-Bellido and Edgecombe | Early Cambrian | The Emu Bay Shale Konservat-Lagerstätte | Australia | An artiopodan arthropod, a species of Squamacula. |