# 2015 in paleomammalogy

This paleomammalogy list records new fossil mammal taxa that were described during the year 2015, as well as notes other significant paleomammalogy discoveries and events which occurred during that year.

## General research

* Description of exceptionally preserved specimens of the pantodont species Alcidedorbignya inopinata and a study of its phylogenetic relationships is published by De Muizon et al. (2015).
* A study on the phylogenetic relationships of the family Nyctitheriidae based on new fossil remains of Plagioctenodon rosei and Plagioctenodon thewisseni is published by Manz et al. (2015).
* Studies of the phylogenetic relationships of litopterns and notoungulates within Placentalia, indicating that their closest living relatives are odd-toed ungulates, are published by Welker et al. (2015) and Buckley (2015).
* A study of the phylogenetic relationships of the Pleistocene camelid genus Camelops, based on genomic data extracted from its bones, is published by Heintzman et al. (2015).
* A study on the feeding habits of extant and fossil members of the family Canidae belonging to the tribe Canini, as indicated by skull size and shape, is published by Meloro, Hudson & Hook (2015).
* A study on the population dynamics of the cave lion (Panthera spelaea) during the Late Pleistocene is published by Ersmark et al. (2015).
* Description of tarsals attributed to Purgatorius and a study on the phylogenetic relationships of this mammal is published by Chester et al. (2015).
* A study on the age of the holotype specimen of Darwinius masillae at the time of death and on the life history of the species is published by López-Torres, Schillaci & Silcox (2015).
* Cranial endocast of Victoriapithecus macinessi is reconstructed by Gonzales et al. (2015).
* A study evaluating the evidence of association between extinctions or replacements of large mammals in the Northern Hemisphere in the Late Pleistocene with warming events is published by Cooper et al. (2015).

## Metatherians

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Antawallathentes | Gen. et 2 sp. nov | Valid | Rincón et al. | Oligocene (Deseadan) | Salla Formation | Bolivia | A palaeothentid marsupial (a relative of the shrew opossums). Genus contains two species: Antawallathentes illimani and Antawallathentes quimsacruza. |
| Archaeonothos | Gen. et sp. nov | Valid | Beck | Early Eocene | Murgon fossil site | Australia | A metatherian of uncertain phylogenetic placement. The type species is Archaeonothos henkgodthelpi. |
| Ganguroo robustiter | Sp. nov | Valid | Cooke et al. | Miocene | Riversleigh World Heritage Area | Australia | A basal member of Macropodidae, a species of Ganguroo. |
| Gaylordia mater | Sp. nov | Valid | De Oliveira & Goin | Itaboraian | Itaboraí Formation | Brazil | A metatherian of uncertain phylogenetic placement, possibly a relative of Pucadelphys; a species of Gaylordia. |
| Lotheridium | Gen. et sp. nov | Valid | Bi et al. | Late Cretaceous | Qiupa Formation | China | A member of Deltatheridiidae. The type species is Lotheridium mengi. |
| Lycopsis padillai | Sp. nov | Valid | Suarez et al. | Miocene | Castilletes Formation | Colombia | A member of Sparassodonta, a species of Lycopsis. |
| Madju | Gen. et 2 sp. nov | Valid | Travouillon et al. | Late Oligocene to early late Miocene | | Australia | A bandicoot. Genus contains two species: Madju variae and Madju encorensis. |
| Nimbavombatus | Gen. et sp. nov | Valid | Brewer et al. | Early Miocene | Riversleigh World Heritage Area | Australia | A wombat. The type species is Nimbavombatus boodjamullensis. |
| Oklatheridium wiblei | Sp. nov | Valid | Cifelli & Davis | Early Cretaceous (Albian) | Cloverly Formation | United States | A member of Deltatheroida, a species of Oklatheridium. |
| Sedophascolomys | Gen. et comb. nov | Valid | Louys | Pliocene to Pleistocene | | Australia | A wombat; a new genus for "Phascolomys" medius Owen (1872). |
| Sparassocynus maimarai | Sp. nov | Valid | Abello et al. | Late Miocene | Maimará Formation | Argentina | A sparassocynid didelphoid (a relative of the opossums), a species of Sparassocynus. |
| Thylacinus yorkellus | Sp. nov | Valid | Yates | Late Miocene or early Pliocene | Corra-Lynn Cave | Australia | A relative of the thylacine. |
| Tsagandelta | Gen. et sp. nov | Valid | Rougier, Davis & Novacek | Late Cretaceous | Baynshiree Formation | Mongolia | A member of Deltatheroida. The type species is Tsagandelta dashzevegi. |
| Wabularoo prideauxi | Sp. nov | Valid | Travouillon, Archer & Hand | Early Miocene | Riversleigh World Heritage Area | Australia | A member of Macropodoidea, a species of Wabularoo. |

## Eutherians
### Xenarthrans

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
| Eionaletherium | Gen. et sp. nov. | Valid | Rincón et al. | Late Miocene | Urumaco Formation | Venezuela | A mylodontoid sloth. The type species is Eionaletherium tanycnemius. | |
| Tonnicinctus | Gen. et sp. nov. | Valid | Góis et al. | Pleistocene (Ensenadan to Lujanian) | | Argentina | A member of Pampatheriidae. The type species is Tonnicinctus mirus. | |

### Afrotherians

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Arenagale | Gen. et sp. nov | Valid | Pickford | Eocene (Bartonian) | Eocliff Limestone | Namibia | A tenrec. The type species is A. calcareus. |
| Callistosiren | Gen. et sp. nov. | Valid | Vélez-Juarbe & Domning | Late Oligocene | Lares Limestone | United States ( Puerto Rico) | A dugong. The type species is Callistosiren boriquensis. |
| Diamantochloris | Gen. et sp. nov | Valid | Pickford | Eocene (Lutetian) | Black Crow Limestone | Namibia | A golden mole. The type species is D. inconcessus. |
| Namachloris | Gen. et sp. nov | Valid | Pickford | Eocene (Bartonian) | Eocliff Limestone | Namibia | A golden mole. The type species is N. arenatans. |
| Namagale | Gen. et sp. nov | Valid | Pickford | Eocene (Bartonian) | Eocliff Limestone | Namibia | A member of Potamogalidae. The type species is N. grandis. |
| Palaeoloxodon xylophagou | Sp. nov | Valid | Athanassiou et al. | Late middle Pleistocene | | Cyprus | A member of Elephantidae, a species of Palaeoloxodon. |
| Protanancus brevirostris | Sp. nov. | Valid | Wang et al. | Early Miocene | Linxia Basin | China | A gomphothere, a species of Protanancus. |
| Rupestrohyrax | Gen. et sp. nov | Valid | Pickford | Eocene (Bartonian) | Eoridge Limestone | Namibia | A hyrax related to Titanohyrax. The type species is R. palustris. |
| Sperrgale | Gen. et sp. nov | Valid | Pickford | Eocene (Bartonian) | Eocliff Limestone | Namibia | A tenrec. The type species is S. minutus. |
| Thyrohyrax libycus | Sp. nov | Valid | Coster et al. | Early Oligocene | | Libya | A saghatheriid hyracoid, a species of Thyrohyrax. |

### Bats

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Cardioderma leakeyi | Sp. nov | Valid | Gunnell et al. | Early Pleistocene | Olduvai Gorge locality | Tanzania | A member of Megadermatidae related to the heart-nosed bat. |
| Marnenycteris | Gen. et sp. nov | Valid | Hand et al. | Eocene (Ypresian) | | France | A bat related to Onychonycteris. The type species is Marnenycteris michauxi. |
| Mystacina miocenalis | Sp. nov. | Valid | Hand, Lee, Worthy & Archer in Hand et al. | Early Miocene (Altonian, 19–16 Ma) | | New Zealand | A New Zealand short-tailed bat. |
| Myzopoda africana | Sp. nov | Valid | Gunnell et al. | Early Pleistocene | Olduvai Gorge locality | Tanzania | A species of Myzopoda. |
| Nycticeinops serengetiensis | Sp. nov | Valid | Gunnell et al. | Early Pleistocene | Olduvai Gorge locality | Tanzania | A vesper bat related to the Schlieffen's bat. |
| Otonycteris rummeli | Sp. nov | Valid | Rosina | Late Miocene | | Ukraine | A vesper bat related to the desert long-eared bat. |
| Scotoecus olduvensis | Sp. nov | Valid | Gunnell et al. | Early Pleistocene | Olduvai Gorge locality | Tanzania | A vesper bat, a species of Scotoecus. |

### Odd-toed ungulates

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Boreohippidion | Gen. et comb. nov. | Valid | Avilla, Bernardes & Mothé | Early Pliocene (late Hemphillian) | | United States | A member of Equidae; a new genus for "Onohippidium" galushai Macfadden & Skinner (1979). |
| Cambaylophus | Gen. et sp. nov. | Valid | Kapur & Bajpai | Early Eocene | Cambay Shale | India | A member of Tapiroidea of uncertain phylogenetic placement. The type species is C. vastanensis. |
| Chasmotherium depereti | Sp. nov | Valid | Remy | Eocene (Bartonian) | | France | A relative of Hyrachyus, a species of Chasmotherium. |
| Eolophiodon | Gen. et sp. nov. | Valid | Robinet et al. | Early Eocene | | France | A relative of Lophiodon. The type species is Eolophiodon laboriense. |
| Pachynolophus gaytei | Sp. nov | Valid | Remy | Eocene (Bartonian) | | France | A member of Palaeotheriidae, a species of Pachynolophus. |
| Persiatherium | Gen. et sp. et comb. nov | Valid | Pandolfi | Late Miocene | | China  Iran | A rhinoceros related to Aceratherium. The type species is P. rodleri; genus also includes"Aceratherium" huadeensis Qiu (1979). |
| Plesiohipparion shanxiense | Sp. nov. | Valid | Bernor, Sun & Chen | Early Pleistocene | | China | A member of Equidae related to Hipparion; a species of Plesiohipparion. |
| Vastanolophus | Gen. et sp. nov | Valid | Smith et al. | Eocene (Ypresian) | Cambay Shale Formation | India | A member of Tapiroidea, possibly a member of Helaletidae. The type species is Vastanolophus holbrooki. |

### Even-toed ungulates

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Anthracokeryx naduongensis | Sp. nov | Valid | Ducrocq et al. | Eocene | Na Duong Formation Youganwo Formation | China  Vietnam | An anthracothere, a species of Anthracokeryx. |
| Bothriogenys langsonensis | Sp. nov | Valid | Ducrocq et al. | Eocene | Na Duong Formation | Vietnam | An anthracothere, a species of Bothriogenys. |
| Bothriogenys vietnamensis | Sp. nov | Valid | Ducrocq et al. | Eocene | Na Duong Formation | Vietnam | An anthracothere, a species of Bothriogenys. |
| Eotragus lampangensis | Sp. nov | Valid | Suraprasit et al. | Late Middle Miocene (13.4-13.2 Ma) | Nakhaem Formation | Thailand | A bovid, a species of Eotragus. |
| Epirigenys | Gen. et sp. nov | Valid | Lihoreau et al. | Oligocene | Lokone Sandstone Formation | Kenya | A relative of hippopotamuses. The type species is Epirigenys lokonensis. |
| Eucladoceros montenegrensis | Sp. nov | Valid | Van der Made & Dimitrijević | Early Pleistocene | | Montenegro | A deer, a species of Eucladoceros. |
| Euprox grandis | Sp. nov | Valid | Hou | Late Miocene | Liushu Formation | China | A member of Cervidae related to muntjacs, a species of Euprox. |
| Kachchhchoerus | Gen. et comb. nov | Valid | Bhandari, Pickford & Tiwari | Late Miocene | | India | A member of Suidae. Genus includes K. salinus (Pilgrim, 1926). |
| Kolpochoerus phillipi | Sp. nov | Valid | Souron, Boisserie & White | Late Pliocene or early Pleistocene (ca. 2.5 Ma) | Middle Awash | Ethiopia | A suid, a species of Kolpochoerus. |
| Lucashyus | Gen. et sp. nov | Valid | Prothero | Late early Arikareean | | United States | A peccary. The type species is Lucashyus coombsae. |
| Marshochoerus | Gen. et comb. nov | Valid | Prothero | Late Arikareean to late Hemingfordian | | United States | A peccary; a new genus for "Thinohyus" socialis Marsh (1875). |
| Muntiacus ? huangi | Sp. nov | Valid | Dong & Chen | Pleistocene | | China | A member of Cervidae, possibly a muntjac. |
| Nguruwe ? galaticum | Sp. nov | Valid | Orliac et al. | Late early Miocene | Kumartaş Formation | Turkey | A hyotheriine suid, possibly a species of Nguruwe. |
| Paratoceras coatesi | Sp. nov | Valid | Rincon et al. | Miocene (early Hemingfordian) | Cucaracha Formation | Panama | A member of Protoceratidae, a species of Paratoceras. |
| Paratoceras orarius | Sp. nov | Valid | Rincon et al. | Early Miocene | Culebra Formation | Panama | A member of Protoceratidae, a species of Paratoceras. |
| Sivacobus sankaliai | Sp. nov | Valid | Vrba, Bibi & Costa | Late Pleistocene | | India | A member of Bovidae belonging to the subfamily Reduncinae, a species of Sivacobus. |
| Stuckyhyus | Gen. et comb. nov | Valid | Prothero | Late Arikareean | | United States | A peccary; a new genus for "Thinohyus" siouxensis Peterson (1905). |
| Wrightohyus | Gen. et sp. nov | Valid | Prothero | Late Arikareean to early Hemingfordian | | United States | A peccary. The type species is Wrightohyus yatkolai. |
| Xenokeryx | Gen. et sp. nov | Valid | Sánchez et al. | Miocene (middle Aragonian) | | Spain | A member of Palaeomerycidae. The type species is Xenokeryx amidalae. |

### Cetaceans

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
| Albicetus | Gen. et comb. nov | Valid | Boersma & Pyenson | Miocene (Langhian) | Monterey Formation | United States | A basal member of Physeteroidea. The type species is "Ontocetus" oxymycterus Kellogg (1925). | |
| Ashleycetus | Gen. et sp. nov | Valid | Sanders & Geisler | Oligocene (late Rupelian) | Ashley Formation | United States | A basal odontocete. The type species is Ashleycetus planicapitis. | |
| Brabocetus | Gen. et sp. nov | Valid | Colpaert, Bosselaers & Lambert | Pliocene (Zanclean) | Kattendijk Formation | Belgium | A porpoise. The type species is Brabocetus gigasei. | |
| Chilcacetus | Gen. et sp. nov | Valid | Lambert, De Muizon & Bianucci | Early Miocene | Chilcatay Formation | Peru | A toothed whale of uncertain phylogenetic placement, possibly related to Argyrocetus and Macrodelphinus. The type species is Chilcacetus cavirhinus. | |
| Chrysocetus fouadassii | Sp. nov | Valid | Gingerich & Zouhri | Eocene (Bartonian) | Aridal Formation | Western Sahara | A basilosaurid, a species of Chrysocetus. | |
| Fucaia | Gen. et sp. et comb. nov | Valid | Marx, Tsai & Fordyce | Oligocene | Makah Formation Pysht Formation | United States | A member of Aetiocetidae. The type species is Fucaia buelli; genus also includes "Chonecetus" goedertorum Barnes & Furusawa in Barnes et al. (1994). | |
| Horopeta | Gen. et sp. nov | Valid | Tsai & Fordyce | Oligocene (early Chattian) | Kokoamu Greensand | New Zealand | An early baleen whale. The type species is Horopeta umarere. | |
| Isthminia | Gen. et sp. nov | Valid | Pyenson et al. | Miocene (Messinian) | Chagres Formation | Panama | An inioid river dolphin. The type species is Isthminia panamensis. | |
| Nanokogia | Gen. et sp. nov | Valid | Velez-Juarbe et al. | Late Miocene | Chagres Formation | Panama | A member of Kogiidae. The type species is Nanokogia isthmia. | |
| Otekaikea huata | Sp. nov | Valid | Tanaka & Fordyce | Oligo/Miocene boundary (Waitakian) | Otekaike Limestone | New Zealand | A relative of the South Asian river dolphin, a species of Otekaikea. | |
| Platyosphys aithai | Sp. nov | Valid | Gingerich & Zouhri | Eocene (Bartonian) | Aridal Formation | Western Sahara | A basilosaurid. Originally described as a species of Platyosphys, but subsequently made the type species of the separate genus Antaecetus. | |
| Tokarahia | Gen. et sp. et comb. nov | Valid | Boessenecker & Fordyce | Late Oligocene | Kokoamu Greensand Otekaike Limestone | New Zealand | An eomysticetid baleen whale. The type species is Tokarahia kauaeroa; genus also contains "Mauicetus" lophocephalus Marples (1956). | |
| Tranatocetus | Gen. et comb. nov | Valid | Gol’din & Steeman | Miocene (Tortonian) | Gram Formation | Denmark | A baleen whale, of uncertain phylogenetic placement, possibly a relative of rorquals and gray whales or a member of the family Cetotheriidae; a new genus for "Mesocetus" argillarius Roth (1978). | Holotype of Tranatocetus argillarius |
| Waharoa | Gen. et sp. nov | Valid | Boessenecker & Fordyce | Late Oligocene | Otekaike Limestone | New Zealand | An eomysticetid baleen whale. The type species is Waharoa ruwhenua. | |

### Carnivorans

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Archaeodobenus | Gen. et sp. nov | Valid | Tanaka & Kohno | Late Miocene | Ichibangawa Formation | Japan | A member of Odobenidae (a relative of the walrus). The type species is Archaeodobenus akamatsui. |
| Australophoca | Gen. et sp. nov | Valid | Valenzuela-Toro et al. | Late Miocene | Bahía Inglesa Formation Pisco Formation | Chile  Peru | An earless seal belonging to the subfamily Monachinae. The type species is Australophoca changorum. |
| Cynelos malasi | Sp. nov | Valid | Hunt & Stepleton | Early Miocene | | United States | An amphicyonid, a species of Cynelos. |
| Cynotherium malatestai | Sp. nov | Valid | Madurell-Malapeira, Palombo & Sotnikova | Early middle Pleistocene | | Italy | A relative of the Sardinian dhole. |
| Devinophoca emryi | Sp. nov | Valid | Koretsky & Rahmat | Early Middle Miocene (early Badenian) | | Slovakia | A devinophocine earless seal, a species of Devinophoca. |
| Eotaria | Gen. et sp. nov | Valid | Boessenecker & Churchill | Miocene (Burdigalian–Langhian) | | United States | A fur seal. The type species is Eotaria crypta. |
| Lutra hearsti | Sp. nov | Valid | Geraads et al. | Pliocene | Hadar Formation | Ethiopia | An otter, a species of Lutra. |
| Praepusa boeska | Sp. nov | Valid | Koretsky, Peters & Rahmat | Late Miocene—Pliocene | | Belgium  Netherlands | An earless seal, a species of Praepusa. |
| Vulpes mathisoni | Sp. nov | Valid | Geraads et al. | Pliocene | Mursi Formation | Ethiopia | A fox, a species of Vulpes. |
| Yoshi | Gen. et sp. et comb. nov | Valid | Spassov & Geraads | Late Miocene | | Greece  Macedonia | A felid. The type species is Yoshi garevskii; genus also contains "Metailurus" parvulus (Hensel, 1862) (nomen dubium) and "Metailurus" minor Zdansky, 1924. |

### Rodents

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Acarechimys leucotheae | Sp. nov | Valid | Vucetich et al. | Late Oligocene | Sarmiento Formation | Argentina | An octodontoid caviomorph of uncertain phylogenetic placement. Originally described as a species of Acarechimys; subsequently removed from the genus and transferred to the family Octodontidae by Verzi, Olivares and Morgan (2017). |
| Allotypomys | Gen. et sp. nov | Valid | Korth & Samuels | Arikareean | John Day Formation | United States | A member of Eutypomyidae. The type species is Allotypomys pictus. |
| Apeomys whistleri | Sp. nov | Valid | Korth & Samuels | Arikareean | John Day Formation | United States | A member of Eomyidae, a species of Apeomys. |
| Bursagnathus | Gen. et sp. nov | Valid | Korth & Samuels | Arikareean | John Day Formation | United States | A member of Heteromyidae. The type species is Bursagnathus aterosseus. |
| Cedromus woodi | Sp. nov | Valid | Korth | Oligocene (Whitneyan) | Brule Formation | United States | A member of the family Sciuridae. |
| Cephalomys ceciae | Sp. nov | Valid | Vucetich et al. | Late Oligocene | Sarmiento Formation | Argentina | A cephalomyid, a species of Cephalomys. |
| Chenomys | Gen. et sp. nov | Valid | Li & Meng | Earliest Eocene | Nomogen Formation | China | A ctenodactyloid rodent. The type species is Chenomys orientalis. |
| Doryperimys | Gen. et sp. nov | Valid | Kramarz, Bond & Arnal | Early Miocene | Cerro Bandera Formation | Argentina | A member of Neoepiblemidae. The type species is Doryperimys olsacheri. |
| Eliomys yevesi | Sp. nov | Valid | Mansino et al. | Late Miocene (late Turolian) | Villatoya-Venta del Moro Formation | Spain | A dormouse, a species of Eliomys. |
| Ethelomys | Gen. et comb. nov | Valid | Vucetich et al. | Late Oligocene | Sarmiento Formation | Argentina | An octodontoid caviomorph of uncertain phylogenetic placement; a new genus for "Deseadomys" loomisi Wood & Patterson (1959). |
| Eumysops marplatensis | Sp. nov | Valid | Olivares & Verzi | Late Pliocene to early Pleistocene | San Andrés Formation Vorohué Formation | Argentina | A member of Echimyidae, a species of Eumysops. |
| Galileomys baios | Sp. nov | Valid | Vucetich et al. | Late Oligocene | Sarmiento Formation | Argentina | An acaremyid octodontoid caviomorph, a species of Galileomys. |
| Heterotamias | Gen. et comb. nov | Valid | Qiu | Early Miocene | Xiacaowan Formation | China | A chipmunk; a new genus for "Eutamias" sihongensis Qiu & Lin (1986). |
| Incamys menniorum | Sp. nov | Valid | Vucetich et al. | Late Oligocene | Sarmiento Formation | Argentina | A chinchilloid caviomorph of uncertain phylogenetic placement, a species of Incamys. |
| Kabirmys prius | Sp. nov | Valid | Coster et al. | Eocene | | Libya | A nementchamyid anomaluromorph, a species of Kabirmys. |
| Lamugaulus | Gen. et sp. nov | Valid | Tesakov & Lopatin | Early Miocene | Khalagay Formation | Russia | A promylagauline mylagaulid. The type species is Lamugaulus olkhonensis. |
| Leggadina gregoriensis | Sp. nov | Valid | Klinkhamer & Godthelp | Early Pleistocene | Riversleigh World Heritage Area | Australia | A murine murid, a species of Leggadina. |
| Leggadina macrodonta | Sp. nov | Valid | Klinkhamer & Godthelp | Pliocene or Pleistocene | | Australia | A murine murid, a species of Leggadina. |
| Leucokephalos | Gen. et 2 sp. nov | Valid | Vucetich et al. | Late Oligocene to early Miocene | Cerro Bandera Formation Sarmiento Formation | Argentina | A caviomorph of uncertain phylogenetic placement. The type species is Leucokephalos zeffiae Vucetich et al. (2015); genus also contains Leucokephalos maior Kramarz, Bond & Arnal (2015). |
| Llitun | Gen. et sp. nov | Valid | Vucetich et al. | Late Oligocene | Sarmiento Formation | Argentina | A caviomorph of uncertain phylogenetic placement. The type species is Llitun notuca. |
| Loncolicu | Gen. et sp. nov | Valid | Vucetich et al. | Late Oligocene | Sarmiento Formation | Argentina | A chinchilloid caviomorph of uncertain phylogenetic placement. The type species is Loncolicu tretos. |
| Metaphiomys zallahensis | Sp. nov | Valid | Coster et al. | Early Oligocene | | Libya | A hystricognathous rodent, a species of Metaphiomys. |
| Microtheriomys | Gen. et sp. nov | Valid | Korth & Samuels | Arikareean | John Day Formation | United States | An anchitheriomyine castorid. The type species is Microtheriomys brevirhinus. |
| Miosciurus covensis | Sp. nov | Valid | Korth & Samuels | Arikareean | John Day Formation | United States | A sciurine sciurid, a species of Miosciurus. |
| Mus denizliensis | Sp. nov | Valid | Erten, Sen & Sagular | Early Pleistocene | Denizli Basin | Turkey | A mouse. |
| Neoadjidaumo arctozophus | Sp. nov | Valid | Korth & Samuels | Arikareean | John Day Formation | United States | A member of Eomyidae, a species of Neoadjidaumo. |
| Neophiomys dawsonae | Sp. nov | Valid | Coster et al. | Early Oligocene | | Libya | A relative of the cane rats, a species of Neophiomys. |
| Omboomys | Gen. et sp. nov | Valid | Maridet et al. | Late Miocene | | Mongolia | An eomyid rodent. The type species is Omboomys builstynensis. |
| Palaeosciurus jiangi | Sp. nov | Valid | Qiu | Early Miocene | Xiacaowan Formation | China | A ground squirrel, a species of Palaeosciurus. |
| Plesiosminthus fremdi | Sp. nov | Valid | Korth & Samuels | Arikareean | John Day Formation | United States | A dipodid related to the birch mice, a species of Plesiosminthus. |
| Proafricanomys | Gen. et sp. nov | Valid | López-Antoñanzas et al. | Miocene (Tortonian) | | Lebanon | A gundi. The type species is Proafricanomys libanensis. |
| Proapeomys | Gen. et sp. nov | Valid | Korth & Samuels | Arikareean | John Day Formation | United States | A member of Eomyidae. The type species is Proapeomys condoni; genus might also contain the species "Florentiamys" lulli Wood (1936). |
| Proheteromys latidens | Sp. nov | Valid | Korth & Samuels | Arikareean | John Day Formation | United States | A member of Heteromyidae, a species of Proheteromys. |
| Promimomys enginae | Sp. nov | Valid | Suata-Alpaslan | Early Pliocene | | Turkey | A member of Arvicolidae, a species of Promimomys. |
| Protacaremys? adilos | Sp. nov | Valid | Vucetich et al. | Late Oligocene | Sarmiento Formation | Argentina | An octodontoid caviomorph of uncertain phylogenetic placement, possibly a species of Protacaremys. |
| Prozenkerella | Gen. et sp. nov | Valid | Coster et al. | Early Oligocene | | Libya | An anomalure. The type species is Prozenkerella saharaensis. |
| Pseudoacaremys | Gen. et sp. nov | Valid | Arnal & Vucetich | Miocene (Santacrucian) | Santa Cruz Formation | Argentina | An acaremyid octodontoid caviomorph rodent. The type species is Pseudoacaremys kramarzi. |
| Simplicimys | Gen. et sp. nov | Valid | Li & Meng | Early-middle Eocene | Arshanto Formation Irdin Manha Formation | China | A ctenodactyloid rodent. The type species is Simplicimys bellus. |
| Subathumys | Gen. et 2 sp. nov | Valid | Gupta & Kumar | Early Eocene (Ypresian) | Subathu Formation | India | A relative of gundis. The type species is Subathumys solanorius; genus also contains Subathumys globulus. |
| Tachyoryctoides bayarmae | Sp. nov | Valid | Daxner-Höck, Badamgarav & Maridet | Late Oligocene | | Mongolia | A subterranean rodent belonging to the subfamily Tachyorytoidinae, a species of Tachyoryctoides. |
| Tachyoryctoides radnai | Sp. nov | Valid | Daxner-Höck, Badamgarav & Maridet | Late Oligocene | | Mongolia | A subterranean rodent belonging to the subfamily Tachyorytoidinae, a species of Tachyoryctoides. |
| Tamquammys fractus | Sp. nov | Valid | Li & Meng | Middle Eocene | Irdin Manha Formation | China | A ctenodactyloid rodent, a species of Tamquammys. |
| Tamquammys longus | Sp. nov | Valid | Li & Meng | Early Eocene | Arshanto Formation | China | A ctenodactyloid rodent, a species of Tamquammys. |
| Tamquammys robustus | Sp. nov | Valid | Li & Meng | Early Eocene | Arshanto Formation Nomogen Formation | China | A ctenodactyloid rodent, a species of Tamquammys. |
| Trogomys oregonensis | Sp. nov | Valid | Korth & Samuels | Arikareean | John Day Formation | United States | A member of Heteromyidae, a species of Trogomys. |
| Yongshengomys | Gen. et sp. nov | Valid | Li & Meng | Middle Eocene | Irdin Manha Formation | China | A ctenodactyloid rodent. The type species is Yongshengomys extensus. |
| Yuomys huheboerhensis | Sp. nov | Valid | Li & Meng | Middle Eocene | Irdin Manha Formation | China | A ctenodactyloid rodent, a species of Yuomys. |

### Primates

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Australopithecus deyiremeda | Sp. nov | Valid | Haile-Selassie et al. | Pliocene | | Ethiopia | A species of Australopithecus. |
| Ekembo | Gen. et comb. nov | Valid | McNulty et al. | Early Miocene | Hiwegi Formation | Kenya | An ape of uncertain phylogenetic placement. A new genus for "Proconsul" nyanzae Le Gros Clark & Leakey (1950); genus also contains "Proconsul" heseloni Walker et al. (1993). |
| Ekgmowechashala zancanellai | Sp. nov | Valid | Samuels, Albright & Fremd | Arikareean | John Day Formation | United States | A primate of uncertain phylogenetic placement, probably an adapiform; a species of Ekgmowechashala. |
| Homo naledi | Sp. nov | Valid | Berger et al. | Mid- to late-Middle Pleistocene | Rising Star Cave | South Africa | A species of Homo. |
| Homo tsaichangensis | Sp. nov | | McMenamin | Late Pleistocene | | Taiwan | A proposed name of hominin recovered sometime before 2008 by fishermen working in the Penghu Channel (between the Penghu Islands and mainland Taiwan) and described in 2015 by an international team of Japanese, Taiwanese, and Australian scientists. Wu and Bae (2024) treated this specimen as new species, Homo juluensis as Denisovans and some Asian hominins. |
| Myanmarcolobus | Gen. et sp. nov | Valid | Takai et al. | Late Miocene to early Pliocene | | Myanmar | A member of Colobinae. The type species is Myanmarcolobus yawensis. |
| Namaloris | Gen. et sp. nov | Valid | Pickford | Eocene (Bartonian) | Eocliff Limestone | Namibia | A member of Lorisidae. The type species is N. rupestris. |
| Necrolemur anadoni | Sp. nov | Valid | Minwer-Barakat, Marigó & Moyà-Solà | Middle Eocene (Robiacian) | | Spain | A member of Omomyidae belonging to the subfamily Microchoerinae; a species of Necrolemur. |
| Perupithecus | Gen. et sp. nov | Valid | Bond et al. | Probably late Eocene | Yahuarango Formation | Peru | A member of Anthropoidea of uncertain phylogenetic placement, probably a member of Platyrrhini. The type species is Perupithecus ucayaliensis. |
| Pliobates | Gen. et sp. nov | Valid | Alba et al. | Miocene | | Spain | Originally described as an ape; Bouchet et al. (2024) subsequently reinterpreted it as a member of Pliopithecoidea belonging to the family Crouzeliidae. The type species is Pliobates cataloniae. |

### Other eutherians

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Altacreodus | Gen. et comb. nov | Valid | Fox | Late Cretaceous | | Canada  United States | A basal member of Eutheria; a new genus for "Cimolestes" magnus Clemens & Russell (1965). |
| Ambilestes | Gen. et comb. nov | Valid | Fox | Late Cretaceous | | Canada | A basal member of Eutheria; a new genus for "Cimolestes" cerberoides Lillegraven (1969). |
| Carodnia inexpectans | Sp. nov | Valid | Antoine et al. | Early Eocene | Mogollón Formation | Peru | A member of Xenungulata, a species of Carodnia. |
| Chilestylops | Gen. et sp. nov | Valid | Bradham et al. | Tinguirirican | Abanico Formation | Chile | A notostylopid notoungulate. The type species is Chilestylops davidsoni. |
| Galerix wesselsae | Sp. nov | Valid | Zijlstra & Flynn | Miocene | | Pakistan | A member of Erinaceidae (a relative of gymnures and hedgehogs); a species of Galerix. |
| Hilarcotherium | Gen. et sp. nov | Valid | Vallejo-Pareja et al. | Miocene | La Victoria Formation | Colombia | An astrapotheriid astrapothere. The type species is Hilarcotherium castanedaii. |
| Kerberos | Gen. et sp. nov | Valid | Solé et al. | Eocene (Bartonian) | Formation des Molasses de Saix et de Lautrec | France | A hyainailourine hyaenodont. The type species is Kerberos langebadreae. |
| Lacrimodon | Gen. et sp. nov | Valid | Van den Hoek Ostende and Fejfar | Early Miocene | | Czech Republic | A member of Eulipotyphla related to Dimylus. The type species is Lacrimodon vandermeuleni. |
| Mimolagus aurorae | Sp. nov | Valid | Fostowicz-Frelik et al. | Early Middle Eocene | Irdin Manha Formation | China | A member of Glires belonging to the family Mimotonidae, a species of Mimolagus. |
| Nesodon taweretus | Sp. nov | Valid | Forasiepi et al. | Early Miocene | Aisol Formation | Argentina | A toxodontid, a species of Nesodon. |
| Paedotherium kakai | Sp. nov | Valid | Reguero et al. | Miocene (Huayquerian) | Palo Pintado Formation | Argentina | A hegetotheriid notoungulate, a species of Paedotherium. |
| Pampahippus secundus | Sp. nov | Valid | Deraco & García-López | Eocene | Lumbrera Formation | Argentina | A member of Toxodontia, a species of Pampahippus. |
| Periphragnis vicentei | Sp. nov | Valid | Bradham et al. | Tinguirirican | Abanico Formation | Chile | A member of Toxodontia belonging or related to the family Homalodotheriidae; a species of Periphragnis. |
| Plagioctenodon thewisseni | Sp. nov | Valid | Manz & Bloch | Paleocene (Clarkforkian) | Willwood Formation | United States | A member of Nyctitheriidae, a species of Plagioctenodon. |
| Preregidens | Gen. et sp. nov | Valid | Solé, Falconnet & Vidalenc | Eocene | | France | A member of Hyaenodonta. The type species is Preregidens langebadrae. |
| Prohegetotherium malalhuense | Sp. nov | Valid | Cerdeño & Reguero | Oligocene (Deseadan) | | Argentina | A hegetotheriid notoungulate, a species of Prohegetotherium. |
| Prolagus latiuncinatus | Sp. nov | Valid | Angelone & Čermák | Late Miocene | | Hungary | A member of Lagomorpha, a species of Prolagus. |
| Prolagus pannonicus | Sp. nov | Valid | Angelone & Čermák | Late Miocene | | Hungary | A member of Lagomorpha, a species of Prolagus. |
| Protypotherium sinclairi | Sp. nov | Valid | Kramarz, Bond & Arnal | Early Miocene | Cerro Bandera Formation | Argentina | An interatheriid notoungulate, a species of Protypotherium. |
| Ricardocifellia | Nom. nov | Valid | Mones | Paleogene (Itaboraian) | | Brazil | A didolodontid "condylarth"; a replacement name for Paulacoutoia Cifelli, 1983 and Depaulacoutoia Cifelli & Ortiz-Jaureguizar, 2014 (both preoccupied). |
| Scollardius | Gen. et comb. nov | Valid | Fox | Late Cretaceous | | Canada  United States | A basal member of Eutheria; a new genus for "Cimolestes" propalaeoryctes Lillegraven (1969). |
| Seuku | Gen. et comb. nov | Valid | Beatty & Cockburn | Oligocene | | United States | A desmostylian; a new genus for "Behemotops" emlongi Domning, Ray & McKenna (1986). |
| Sigynorum | Gen. et sp. nov | Valid | McComas & Eberle | Paleocene (early Puercan) | Fort Union Formation | United States | A member of Arctocyonidae. The type species is Sigynorum magnadivisus. |
| Sinclairella simplicidens | Sp. nov | Valid | Czaplewski & Morgan | Late Oligocene (Arikareean) | Crystal River Formation | United States | A member of Apatemyidae, a species of Sinclairella. |

## Other mammals

| Name | Novelty | Status | Authors | Age | Unit | Location | Notes |
| Agilodocodon | Gen. et sp. nov | Valid | Meng et al. | Middle Jurassic | "Daohugou site in Tiaojishan Formation (...), also known as Jiulongshan Formation" | China | A docodont. The type species is Agilodocodon scansorius. |
| Argaliatherium | Gen. et sp. nov | Valid | Cifelli & Davis | Early Cretaceous (Albian) | Cloverly Formation | United States | A basal member of Tribosphenida. The type species is Argaliatherium robustum. |
| Carinalestes | Gen. et sp. nov | Valid | Cifelli & Davis | Early Cretaceous (Albian) | Cloverly Formation | United States | A basal member of Tribosphenida. The type species is Carinalestes murensis. |
| Docodon apoxys | Sp. nov | Valid | Rougier et al. | Late Jurassic | Morrison Formation | United States | A docodont, a species of Docodon. |
| Docofossor | Gen. et sp. nov | Valid | Luo et al. | Late Jurassic | Tiaojishan Formation | China | A docodont. The type species is Docofossor brachydactylus. |
| Gobiconodon haizhouensis | Sp. nov | Valid | Kusuhashi et al. | Early Cretaceous | Fuxin Formation | China | A gobiconodontid, a species of Gobiconodon. |
| Gobiconodon tomidai | Sp. nov | Valid | Kusuhashi et al. | Early Cretaceous | Shahai Formation | China | A gobiconodontid, a species of Gobiconodon. |
| Kimbetopsalis | Gen. et sp. nov | Valid | Williamson et al. | Early Paleocene (Puercan) | Nacimiento Formation | United States | A taeniolabidid multituberculate. The type species is Kimbetopsalis simmonsae. |
| Spinolestes | Gen. et sp. nov | Valid | Martin et al. | Early Cretaceous (latest Barremian) | Calizas de La Huergina Formation | Spain | A gobiconodontid. The type species is Spinolestes xenarthrosus. |
| Tirotherium | Gen. et sp. nov | Valid | Montellano-Ballesteros & Fox | Late Cretaceous (late Santonian to early Campanian) | Milk River Formation | Canada | An early member of Boreosphenida, probably a member of Picopsidae. The type species is Tirotherium aptum. |
| Valenopsalis | Gen. et comb. nov | Valid | Williamson et al. | Early Paleocene (Puercan) | Bug Creek Anthills and Bug Creek West | United States | A taeniolabidoid multituberculate; a new genus for "Catopsalis" joyneri Sloan & Van Valen (1965). |
| Yubaatar | Gen. et sp. nov | Valid | Xu et al. | Late Cretaceous | Qiupa Formation | China | A cimolodont multituberculate. The type species is Yubaatar zhongyuanensis. |