This list of fossil fish research presented in 2023 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes that were described during the year, as well as other significant discoveries and events related to paleoichthyology that occurred in 2023.
 Amaltheolepis terranovi
 Sp. nov
 Valid
 Blom et al.
 Devonian (Emsian)
 Shevchenkinskaya Formation
  Russia( Arkhangelsk Oblast)
 A member of Thelodonti belonging to the group Thelodontiformes and the family Turiniidae.
 Caeruleum
 Gen. et sp. nov
 Huang
 Early Cretaceous
  China
 A lamprey. The type species is C. miraculum.
 Dayongaspis colubra
 Sp. nov
 Valid
 Zhang et al.
 Silurian (Telychian)
 Xiushan Formation
  China
 A member of Galeaspida belonging to the family Dayongaspidae.
 Foxaspis
 Gen. et sp. nov
 Gai et al.
 Devonian (Pragian)
 Xiaoshan Formation
  China(Guangxi)
 A member of Galeaspida belonging to the group Polybranchiaspidiformes and the family Duyunolepididae. The type species is F. novemura.
 Jiangxialepis rongi
 Sp. nov
 Liu et al.
 Silurian (Telychian)
 Tataertag Formation
  China
 A member of Galeaspida belonging to the family Shuyuidae.
 Squirmarius
 Gen. et sp. nov
 Valid
 McCoy et al.
 Carboniferous (Pennsylvanian)
 Mazon Creek fossil beds
  United States( Illinois)
 A member of Cyclostomi. The type species is S. testai.
 Xiyuichthys
 Nom. et sp. nov
 Shan et al.
 Silurian
 Tataertag Formation
  China
 A member of Galeaspida belonging to the family Xiushuiaspidae; a replacement name for Xiyuaspis Liu et al. (2019). Shan et al. (2023) also named a new species X. lixiensis from the Telychian Qingshui Formation (Jiangxi, China).
 Yanliaomyzon
 Gen. 2 sp. nov
 Wu, Janvier & Zhang
 Jurassic (Callovian and Oxfordian)
 Tiaojishan Formation
  China
 A lamprey. The type species is Y. occisor; genus also includes Y. ingensdentes.
 Bothriolepis dairbhrensis
 Sp. nov
 Valid
 Dupret et al.
 Devonian (Givetian)
 Valentia Slate Formation
  Ireland
 Chahuaqingolepis
 Gen. et sp. nov
 Valid
 Liu et al.
 Devonian
 Tanglishu Formation
  China
 A member of the family Bothriolepididae. The type species is C. magniporus.
 Dunkleosteus tuderensis
 Sp. nov
 Lebedev in Lebedev et al.
 Devonian (Famennian)
 Bilovo Formation
  Russia( Tver Oblast)
 Sherbonaspis talimaae
 Sp. nov
 Valid
 Plax & Lukševičs
 Devonian (probably Emsian)
 Lepel Beds
  Belarus
 A member of Asterolepidoidei belonging to the family Pterichthyodidae.
 Valentinaspis
 Gen. et sp. nov
 Valid
 Plax & Newman
 Devonian (Emsian)
  Belarus
 Estonia
 A member of the family Arctolepididae. The type species is V. profundus.
 Funicristata
 Gen. et sp. nov
 Valid
 Burrow in Burrow, Murphy & Turner
 Silurian (Přidolí)
 Roberts Mountains Formation
  United States( Nevada)
 An acanthodian of uncertain affinities. The type species is F. nevadaensis.
 Orcadacanthus
 Gen. et comb. nov
 Valid
 Newman et al.
 Devonian
 Orcadian Basin
  United Kingdom
 A member of Acanthodiformes belonging to the family Mesacanthidae. The type species is "Acanthodes" pusillus Agassiz (1844).
 Atlantobatis
 Gen. et sp. nov
 Guinot et al.
 Late Cretaceous
  Senegal
 A batomorph elasmobranch. The type species is A. acrodonta.
 Cavusodus
 Gen. et sp. nov
 Valid
 Itano
 Carboniferous (late Viséan–early Serpukhovian)
  United States( Alabama)
 A member of Petalodontiformes belonging to the family Janassidae. The type species is C. whitei.
 Corysodon multicristatus
 Sp. nov
 Valid
 Batchelor & Duffin
 Early Cretaceous (Aptian)
 Atherfield Clay Formation
  United Kingdom
 A neoselachian shark.
 Coupatezia casei
 Sp. nov
 Guinot et al.
 Late Cretaceous
  Senegal
 A batomorph elasmobranch.
 Crioselache
 Gen. et sp. nov
 Valid
 Pauliv et al.
 Permian (Asselian)
 Campo Mourão Formation
  Brazil
 Possibly a member of the family Symmoriidae. The type species is C. wittigi.
 ‘Dasyatis’ reticulata
 Sp. nov
 Guinot et al.
 Late Cretaceous
  Senegal
 A batomorph elasmobranch.
 Dasyomyliobatis
 Gen. et sp. nov
 Valid
 Marramà et al.
 Eocene (Ypresian)
 Monte Bolca Lagerstätte
  Italy
 A member of Myliobatiformes belonging to the new family Dasyomyliobatidae. The type species is D. thomyorkei.
 Denaea patula
 Sp. nov
 Ivanov in Ivanov, Alekseev & Nikolaeva
 Carboniferous (Viséan)
  Russia
 A member of Symmoriiformes.
 Desinia
 Gen. et sp. nov
 Valid
 Ivanov in Ivanov et al.
 Permian
  Russia( Kirov Oblast Komi Republic Mari El Tatarstan)
 A member of the family Sphenacanthidae. The type species is D. radiata. Published online in 2023, but the issue date is listed as December 2022.
 Fairchildodus
 Gen. et sp. nov
 Chahud
 Permian (Cisuralian)
 Irati Formation
  Brazil
 A member of Holocephali. The type species is F. rioclarensis.
 Karpinskiprion
 Gen. et comb. nov
 Valid
 Lebedev & Itano in Lebedev et al.
 Carboniferous
  Russia( Moscow Oblast Volgograd Oblast)
 A member of the family Helicoprionidae. The type species is "Helicoprion" ivanovi Karpinsky (1924).
 Lissodus tumidoclavus
 Sp. nov
 Valid
 Duffin, Heckert & Hancox
 Early Triassic
 Burgersdorp Formation
  South Africa
 A member of Hybodontoidea.
 Luopingselache
 Gen. et sp. nov
 Wen et al.
 Middle Triassic (Anisian)
  China
 A member of the family Lonchidiidae. Genus includes new species L. striata.
 Phosphatodon cretaceus
 Sp. nov
 Guinot et al.
 Late Cretaceous
  Senegal
 A batomorph elasmobranch.
 Physogaleus onkensis
 Sp. nov
 Boulemia & Adnet
 Paleogene
 Kef Esnoun Formation
  Algeria
 Ptychotrygon ameghinorum
 Sp. nov
 Begat et al.
 Late Cretaceous (Cenomanian)
 Mata Amarilla Formation
  Argentina
 Ptychotrygon nazeensis
 Sp. nov
 Guinot et al.
 Late Cretaceous
  Senegal
 A batomorph elasmobranch.
 ‘Rhinobatos’ popenguinensis
 Sp. nov
 Guinot et al.
 Late Cretaceous
  Senegal
 A batomorph elasmobranch.
 Sowibatos
 Gen. et sp. nov
 Guinot et al.
 Late Cretaceous
  Senegal
 A batomorph elasmobranch. The type species is S. minimus.
 Squatinactis multicuspidatus
 Sp. nov
 Ivanov in Ivanov, Alekseev & Nikolaeva
 Carboniferous (Viséan)
  Russia
 Strigilodus
 Gen. et sp. nov
 Valid
 Hodnett et al.
 Carboniferous (Viséan)
 Ste. Genevieve Formation
  United States( Kentucky)
 A member of Petalodontiformes belonging to the family Janassidae. The type species is S. tollesonae.
 Strophodus atlasensis
 Sp. nov
 Valid
 Stumpf et al.
 Middle Jurassic (Bajocian)
 Agoudim Formation
  Morocco
 A member of Hybodontiformes belonging to the family Hybodontidae and the subfamily Acrodontinae.
 Sulcacanthus
 Gen. et sp. nov
 Valid
 Itano & Duffin
 Carboniferous (Viséan)
 St. Louis Formation
  United States( Indiana)
 A chimaera belonging to the group Squalorajoidei. The type species is S. schachti.
 Terangabatis
 Gen. et sp. nov
 Guinot et al.
 Late Cretaceous
  Senegal
 A batomorph elasmobranch. The type species is T. thiami.
 Amblyeleotris robusta
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Amblyeleotris.
 Archaeotolithus aptychoides
 Sp. nov
 Pindakiewicz, Hryniewicz & Kaim
 Early Cretaceous (Valanginian)
  Poland
 Archaeus solus
 Sp. nov
 Valid
 Bannikov & Erebakan
 Oligocene
  Russia( Krasnodar Krai)
 A member of the family Carangidae.
 Armigatus plinii
 Sp. nov
 Valid
 Marramà & Carnevale
 Early Cretaceous (Albian)
 Pietraroja Plattenkalk
  Italy
 A member of Clupeomorpha belonging to the group Ellimmichthyiformes and the family Armigatidae.
 Arnoglossus kerichensis
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A scaldfish.
 Arnoglossus scitulus
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A scaldfish.
 Aseraggodes azovensis
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Aseraggodes.
 Benthosema duanformis 
 Sp. nov
 Lin in Lin et al.
 Pliocene
 Gutingkeng Formation
 Taiwan
 A species of Benthosema.
 Benthosema parafibulatum 
 Sp. nov
 Lin in Lin et al.
 Pliocene
 Gutingkeng Formation
 Taiwan
 A species of Benthosema.
 Boreiosturion
 Gen. et sp. nov
 Murray, Nelson & Brinkman
 Late Cretaceous (Campanian)
 Horseshoe Canyon Formation
  Canada( Alberta)
 A sturgeon. The type species is B. labyrinthicus.
 Bregmaceros danicus
 Sp. nov
 Valid
 Schwarzhans & Nielsen
 Eocene
 Lillebælt Clay Formation
  Denmark
 A codlet.
 Butyrumichthys
 Gen. et sp. nov
 Schrøder et al.
 Eocene
 Fur Formation
  Denmark
 A stromateoiform, possibly a medusafish. The type species is B. henricii.
 Callionymus bessarabianus
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Callionymus.
 Callionymus kalinus
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Callionymus.
 Capros crudus
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Capros.
 Caranx rharbensis
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Caranx.
 Centroberyx vonderhochti
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Centroberyx.
 Cepola lombartei
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Cepola.
 Chelon jurkinensis
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Chelon.
 Cladocynodon
 Gen. et sp. nov
 Valid
 De Mayrinck et al.
 Early Cretaceous (Aptian)
 Barbalha Formation
  Brazil
 A member of the family Cladocyclidae. The type species is C. araripensis.
 Congiopodus? inopinatus
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 Possibly a species of Congiopodus.
 Deltentosteus planus
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Deltentosteus.
 Dercetis magnificus
 Sp. nov
 Chida, Brinkman & Murray
 Late Cretaceous (Campanian)
 Bearpaw Formation
  Canada( Alberta)
 A member of the family Dercetidae.
 Diandongichthys
 Gen. et sp. nov
 Xu & Ma
 Middle Triassic (Anisian)
 Guanling Formation
  China
 A basal member of Ginglymodi. The type species is D. ocellatus.
 Diaphus? duplex
 Sp. nov
 Valid
 Schwarzhans & Nielsen
 Eocene
 Lillebælt Clay Formation
  Denmark
 Possibly a species of Diaphus.
 Diaphus maghrebensis
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Diaphus.
 Dicologlossa postpatens
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Dicologlossa.
 Galaxias crassus
 Sp. nov
 Valid
 Schwarzhans et al.
 Early Miocene
 Bannockburn Formation
  New Zealand
 A species of Galaxias.
 Galaxias naviculus
 Sp. nov
 Valid
 Schwarzhans et al.
 Early Miocene
 Bannockburn Formation
  New Zealand
 A species of Galaxias.
 Galaxias nitidus
 Sp. nov
 Valid
 Schwarzhans et al.
 Early Miocene
 Bannockburn Formation
  New Zealand
 A species of Galaxias.
 Galaxias polei
 Sp. nov
 Valid
 Schwarzhans et al.
 Early Miocene
 Bannockburn Formation
  New Zealand
 A species of Galaxias.
 Galaxias tholus
 Sp. nov
 Valid
 Schwarzhans et al.
 Early Miocene
 Bannockburn Formation
  New Zealand
 A species of Galaxias.
 Globogobius
 Gen. et 2 sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A goby belonging to the subfamily Gobiinae and to the Aphia lineage. The type species is G. globulosus; genus also includes G. depressus.
 Grandemarinus
 Gen. et sp. nov
 Cooper et al.
 Late Cretaceous (Turonian)
 Akrabou Formation
  Morocco
 A gar. The type species is G. gherisensis.
 Gutingichthys 
 Gen. et sp. nov
 Lin in Lin et al.
 Pliocene
 Gutingkeng Formation
 Taiwan
 A viviparous brotula. The type species is G. changi.
 Hyrcanogobius eccentricus
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Hyrcanogobius.
 Iridopristis parrisi
 Gen. et sp. nov
 Valid
 Andrews et al.
 Danian
 Hornerstown Formation
  United States
( New Jersey)
 A stem-lineage member of Holocentridae. 
 Khoratamia
 Gen. et sp. nov
 Valid
 Deesri et al.
 Early Cretaceous (Aptian)
 Khok Kruat Formation
  Thailand
 A member of the family Amiidae belonging to the subfamily Sinamiinae. The type species is K. phattharajani.
 Kokenichthys kuteki
 Sp. nov
 Pindakiewicz, Hryniewicz & Kaim
 Early Cretaceous (Valanginian)
  Poland
 Kutaichthys
 Gen et 2 sp. nov
 Valid
 Bakaev in Esin & Bakaev
 Permian
  Russia( Komi Republic Perm Krai Samara Oblast)
 An early ray-finned fish belonging to the group Palaeonisciformes and the family Palaeoniscidae. The type species is K. gubini Esin & Bakaev; genus also includes K. dozmerensis Esin & Bakaev. Published online in 2023, but the issue date is listed as December 2022.
 Macabi
 Gen. et sp. nov
 Valid
 Recinos et al.
 Late Cretaceous (Campanian)
  Mexico
 A bonefish. The type species is M. tojolabalensis.
 Maeotichthys
 Gen. et comb. et sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
  Azerbaijan
 Bulgaria
Crimea
 A member of the family Clupeidae belonging to the subfamily Alosinae. The type species is "Otolithus (Osmeridarum)" wilhelmi Djafarova (2006); genus also includes "Clupea" gomotartziensis Strashimirov (1985), as well as new species Maeotichthys salebrosus Schwarzhans & Bratishko in Schwarzhans, Bratishko & Vernyhorova (2023).
 Mataichthys asymmetricus
 Sp. nov
 Valid
 Schwarzhans et al.
 Early Miocene
 Bannockburn Formation
  New Zealand
 A species of Mataichthys.
 Mesogobius chersonesus
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Mesogobius.
 Minicholepis
 Gen et sp. nov
 Valid
 Bulanov, Minikh & Golubev
 Permian
  Russia( Kirov Oblast)
 A member of Eurynotoidiformes. The type species is M. primus. Published online in 2023, but the issue date is listed as December 2022.
 Myripristis ouarredi
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Myripristis.
 Neogobius ignotus
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Neogobius.
 Neogobius uncinatus
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Neogobius.
 Odontobutis hayashitokuei
 Sp. nov
 In press
 Yabumoto & Zhang 
 Miocene
 Chojabaru Formation
  Japan
 A species of Odontobutis.
 Ophidion tuseti
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Ophidion.
 Opsodentex mordax
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A member of the family Sparidae.
 Palaeoargentina
 Gen. et sp. nov
 Pindakiewicz, Hryniewicz & Kaim
 Early Cretaceous (Valanginian)
  Poland
 Genus includes new species P. plicata.
 Palaeogadus? belli
 Sp. nov
 Valid
 Stringer & Sloan
 Late Cretaceous (Maastrichtian)
 Arkadelphia Marl
  United States( Arkansas)
 A member of the family Merlucciidae.
 Paleocharacodon
 Gen. et sp. nov
 Valid
 Caballero-Viñas, Alvarado-Ortega & Cantalice Severiano
 Pliocene
 Atotonilco El Grande Formation
  Mexico
 A member of the family Goodeidae belonging to the subfamily Goodeinae. The type species is P. guzmanae.
 Palimphemus cimmerius
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A member of the family Gadidae.
 Paraclupea pietrarojae
 Sp. nov
 Valid
 Marramà & Carnevale
 Early Cretaceous (Albian)
 Pietraroja Plattenkalk
  Italy
 A member of Clupeomorpha belonging to the group Ellimmichthyiformes and the family Paraclupeidae.
 Paramacroramphosus
 Gen. et sp. et comb. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
  Azerbaijan
Crimea
 A member of the family Macroramphosidae. The type species is P. pumilis; genus also includes "Оtolithus (inc. sedis)" platessaeformis Pobedina (1956). 
 Parapristipoma bethensis
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Parapristipoma.
 Parapsephurus
 Gen. et sp. nov
 Valid
 Hilton et al.
 Late Cretaceous (Maastrichtian)
 Hell Creek Formation
  United States( North Dakota)
 A paddlefish. The type species is P. willybemisi.
 Paroxymetopon
 Gen. et sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A dartfish. The type species is P. alienus.
 Phoebeannaia
 Gen. et sp. nov
 Valid
 Caron et al.
 Carboniferous (Bashkirian)
 Marsden Formation
  United Kingdom
 An early ray-finned fish, possibly stem-neopterygian. The type species is P. mossae.
 Pleuropholis danielae
 Sp. nov
 Brito & Vullo
 Late Cretaceous (Cenomanian)
 Akrabou Formation
  Morocco
 Pomadasys zemmourensis
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Pomadasys.
 Pontogobius
 Gen. et 3 sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A goby belonging to the subfamily Gobiinae and to the Benthophilus lineage. The type species is P. ahnelti; genus also includes P. trigonus and P. zonatus.
 Pronobythites
 Gen. et sp. et comb. nov
 Valid
 Schwarzhans & Nielsen
 Eocene
 Lillebælt Clay Formation
  Denmark
 France
 A cusk-eel. The type species is P. schnetleri; genus also includes "Neobythites" bozzolo Lin, Nolf & Girone in Lin et al. (2016) and "Neobythites" leonardi Lin, Nolf & Girone in Lin et al. (2016).
 Protalbula pentangularis
 Sp. nov
 Pindakiewicz, Hryniewicz & Kaim
 Early Cretaceous (Valanginian)
  Poland
 Protoelops gracilis
 Sp. nov
 Pindakiewicz, Hryniewicz & Kaim
 Early Cretaceous (Valanginian)
  Poland
 Pteralbula polonica
 Sp. nov
 Pindakiewicz, Hryniewicz & Kaim
 Early Cretaceous (Valanginian)
  Poland
 Pugiopsephurus
 Gen. et sp. nov
 Valid
 Hilton et al.
 Late Cretaceous (Maastrichtian)
 Hell Creek Formation
  United States( North Dakota)
 A paddlefish. The type species is P. inundatus.
 Rhamphoichthys
 Gen. et sp. nov
 Valid
 El Hossny et al.
 Late Cretaceous (Cenomanian)
 Hesseltal Formation
  Germany
 Italy
 Lebanon
 United Kingdom
 A member of the family Plethodidae. The type species is R. taxidiotis. El Hossny et al. (2023) also interpret fossils of "Protosphyraena" minor and "Protosphyraena" stebbingi as fossil material of Rhamphoichthys sp., but don't consider these to be valid taxa due to the incompleteness of their fossil material.
 Rhamphosus bloti
 Sp. nov
 Valid
 Calzoni et al.
 Eocene (Ypresian)
 Monte Bolca
  Italy
 A member of Syngnathiformes belonging to the group Dactylopteroidei and the family Rhamphosidae.
 Rhamphosus brevirostris
 Sp. nov
 Valid
 Calzoni et al.
 Eocene (Ypresian)
 Monte Bolca
  Italy
 A member of Syngnathiformes belonging to the group Dactylopteroidei and the family Rhamphosidae.
 Rhamphosus longispinatus
 Sp. nov
 Valid
 Calzoni et al.
 Eocene (Ypresian)
 Monte Bolca
  Italy
 A member of Syngnathiformes belonging to the group Dactylopteroidei and the family Rhamphosidae.
 Rhamphosus tubulirostris
 Sp. nov
 Valid
 Calzoni et al.
 Eocene (Ypresian)
 Monte Bolca
  Italy
 A member of Syngnathiformes belonging to the group Dactylopteroidei and the family Rhamphosidae.
 Rhynchoconger carnevalei
 Sp. nov
 Schwarzhans
 Miocene (Tortonian) and Pliocene (Zanclean)
  Italy
 A species of Rhynchoconger.
 Saurichthys taotie
 Sp. nov
 Valid
 Fang et al.
 Late Triassic (Carnian)
 Xiaowa Formation
  China
 Announced in 2022; the final article version was published in 2023.
 Sciades maldonadonis
 Sp. nov
 Valid
 Carrillo-Briceño et al.
 Miocene
 La Victoria Formation
  Colombia
 A species of Sciades.
 Scomber qirimensis
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Scomber.
 Scythogobius
 Gen. et sp. nov
 Valid
 Schwarzhans & Bratishko in Schwarzhans, Bratishko & Vernyhorova
 Miocene
 Crimea
 A member of the family Gobiidae belonging to the tribe Benthophilini. The type species is S. spissus.
 Serrivomer glehni
 Sp. nov
 Valid
 Nazarkin
 Miocene
 Kurasi Formation
  Russia( Sakhalin Oblast)
 A species of Serrivomer.
 Spondyliosoma tingitana
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Spondyliosoma.
 Surlykus
 Gen. et sp. nov
 Valid
 Schrøder & Carnevale
 Eocene (Ypresian)
 Fur Formation
  Denmark
 A member of Argentiniformes. The type is species S. longigracilis.
 Thorecichthys fideli
 Sp. nov
 Than-Marchese et al.
 Late Cretaceous (Cenomanian)
 Cintalapa Formation
  Mexico
 A member of Clupeomorpha belonging to the group Ellimmichthyiformes.
 Trachinus maroccanus
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Trachinus.
 Trachinus wernlii
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Trachinus.
 Trachurus insectus
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Trachurus.
 Trachurus reineckei
 Sp. nov
 Valid
 Hoedemakers in De Schutter et al.
 Oligocene (Rupelian)
 Boom Formation
  Belgium
 A species of Trachurus.
 Treldeichthys
 Gen. et comb. nov
 Valid
 Schwarzhans & Nielsen
 Eocene
 Lillebælt Clay Formation
  Denmark
 A member of Acanthopterygii of uncertain affinities. The type species is "Caproidarum" madseni Schwarzhans (2007).
 Uranoscopus hoedemakersi
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Uranoscopus.
 Uranoscopus vanhinsberghi
 Sp. nov
 Schwarzhans
 Pliocene (Zanclean)
  Morocco
 A species of Uranoscopus.
 Vango
 Gen. et sp. nov.
 Murray et al.
 Late Cretaceous (Maastrichtian)
 Mahajanga Basin
  Madagascar
 A member of the family Chanidae. The type species is V. fahiny.
 Vologdinia
 Gen et comb. nov
 Valid
 Bulanov, Minikh & Golubev
 Permian
 Poldarsa/Poldarskaya Formation
  Russia( Orenburg Oblast Vologda Oblast)
 A member of Eurynotoidiformes. The type species is "Isadia" opokiensis Minikh & Andrushkevich (2017). Published online in 2023, but the issue date is listed as December 2022.
 Ypsiloichthys
 Gen. et sp. nov
 Valid
 El Hossny & Cavin
 Late Cretaceous (Cenomanian)
 Sannine Formation
  Lebanon
 A teleost of uncertain affinities. The type species is Y. sibelleae.
 Zosterisessor pontikapaionensis
 Sp. nov
 Valid
 Bratishko & Schwarzhans in Bratishko, Schwarzhans & Vernyhorova
 Miocene
 Crimea
 A species of Zosterisessor.
 Braccodus
 Gen. et sp. nov
 Valid
 Elliott, Challands & Smithson
 Carboniferous
  United Kingdom
 A lungfish. The type species is B. kerri.
 Ceratodus shishkini
 Sp. nov
 Valid
 Minikh
 Triassic
  Russia( Orenburg Oblast)
 A lungfish. Published online in 2023, but the issue date is listed as December 2022.
 Eusthenodon leganihanne
 Sp. nov
 Downs et al.
 Devonian (Famennian)
 Catskill Formation
  United States( Pennsylvania)
 Hyneria udlezinye
 Sp. nov
 Valid
 Gess & Ahlberg
 Devonian (Famennian)
 Witpoort Formation
  South Africa
 Janvierpaucidentes
 Gen. et sp. nov
 Valid
 Johanson et al.
 Devonian (Pragian)
 Wood Bay Formation
  Norway
 A lungfish. The type species is J. tuulingi.
 Lanarkodus
 Gen. et sp. nov
 Valid
 Elliott, Challands & Smithson
 Carboniferous
  United Kingdom
 A lungfish. The type species is L. clarki.
 Rhizodopsis rankini
 Sp. nov
 Elliott
 Carboniferous
  United Kingdom
 A member of the family Megalichthyidae.
 Rieppelia
 Gen. et sp. nov
 Valid
 Ferrante & Cavin
 Middle Triassic (Anisian)
 Besano Formation
   Switzerland
 A coelacanth belonging to the family Latimeriidae. The type species is R. heinzfurreri.
 Ticinepomis ducanensis
 Sp. nov
 Valid
 Ferrante et al.
 Middle Triassic
 Prosanto Formation
   Switzerland
 A coelacanth belonging to the family Latimeriidae.