This paleomammalogy list records new fossil mammal taxa that were described during the year 2011, as well as notes other significant paleomammalogy discoveries and events which occurred during that year.
Newly named taxa Name Novelty Status Authors Age Unit Location Notes ImagesCronopio Supplementary informationGen. et sp.Valid Rougier Apesteguía GaetanoCenomanianCandeleros Formation A "saber-toothed" dryolestoid.Crusafontia amoaeSpeciesDisputed Cuenca-Bescós Badiola et al.Cuenca-Bescós, Badiola, Canudo, Gasca and Moreno-Azanza.Hauterivian to Barremian A dryolestidan mammal. Martin et al. (2021) considered it a junior synonym of Crusafontia cuencana.Guggenheimia crochetiSp. novValid Oliveira & GoinItaboraianItaboraí Basin A protodidelphid "ameridelphian", a species of Guggenheimia.IbericaGen. et sp.Valid Badiola Canudo Cuenca-BescósHauterivian/BarremianGalve A eobaatarid or a possible plagiaulacid multituberculate.InvictokoalaGen. et sp.Valid Price HocknullMiddle Pleistocene A Koala.LiaoconodonGen. et sp.Valid Meng Wang LiAptianJiufotang Formation An "eutriconodont".Lutreolina materdeiSpeciesValid Goin & de los ReyesLate Miocene (Huayquerian) A relative of lutrine opossum.MalleodectesGen. et 2 sp.Valid Arena et al.MioceneRiversleigh World Heritage Area A member of Dasyuromorphia of uncertain phylogenetic placement. The type species is M. mirabilis; genus also includes M. moenia.NaraboryctesGen. et sp.Valid Archer Beck et al.Archer, Beck, Gott, Hand, Godthelp, Black.Early Miocene A marsupial mole.Oklatheridium minaxSpeciesValid Davis CifelliAptian-AlbianAntlers Formation A deltatheroidan mammal.Peradectes coprexechesSpeciesValid Williamson TaylorEarly PaleoceneNacimiento Formation A peradectid metatherian, a species of Peradectes.PeriprotodidelphisGen. et sp. novValid Oliveira & GoinItaboraianItaboraí Basin A protodidelphid "ameridelphian". The type species is Periprotodidelphis bergqvistae.SairadelphysGen. et sp. novValid Oliveira et al.Pleistocene A relative of Kalinowski's mouse opossum. The type species is Sairadelphys tocantinensis.Sineleutherus issedonicusSpeciesValid Averianov Lopatin KrasnolutskiiBathonianItat Formation A haramiyidan allotherian.Swaindelphys encinensisSpeciesValid Williamson TaylorEarly PaleoceneNacimiento Formation A herpetotheriid metatherian, a species of Swaindelphys.Swaindelphys johansoniSpeciesValid Williamson TaylorEarly PaleoceneNacimiento Formation A herpetotheriid metatherian, a species of Swaindelphys.
Newly named eutherians
Name Novelty Status Authors Age Unit Location Notes ImagesAdelpharctos ginsburgiSp. novValid de BonisLate Oligocene A hemicyonine bear, a species of Adelpharctos.AegyptocetusGen. et sp.Valid Bianucci GingerichMiddle EoceneGebel Hof Formation A protocetid cetacean.Agriarctos beatrixSp. novValid Abella, Montoya & MoralesMiddle MioceneCalatayud-Daroca Basin An ailuropodine bear, originally described as a species of Agriarctos. It was later made the type species of the genus Kretzoiarctos.Agriotherium myanmarensisSp. novValid Ogino et al.Late Miocene to early Pliocene A bear, a species of Agriotherium.Alilepus elongatusSp. novValid Winkler Flynn TomidaLate MioceneDhok Pathan Formation A leporid lagomorph, a species of Alilepus.Alilepus meiniSp. novValid Angelone RookMiocene (early Messinian) A leporid lagomorph, a species of Alilepus.AntarctodonGen. et sp.Valid Bond Kramarz et al.Bond, Kramarz, MacPhee, Reguero.Late YpresianLa Meseta Formation An astrapotherian.ArazamysGen. et sp. novValid Rinderknecht, Bostelmann & UbillaLate Miocene (Huayquerian)Camacho Formation A dinomyid rodent. The type species is Arazamys castiglionii.AsilifelisGen. et sp. novValid WerdelinLower MioceneHiwegi Formation A felid. The type species is Asilifelis coteae.Basirepomys romensisSp. novValid KorthLate Miocene (Hemphillian) A cricetid rodent, a species of Basirepomys.BetonniaGen. et sp.Valid Williamson Weil StandhardtMiddle/Late PuercanNacimiento Formation A cimolestid cimolesta.BalochititanopsGen. et sp.Valid Missiaen Gunnell GingerichYpresianGhazij Formation A brontotheriid.BrachygaulusGen. et 3 sp. novValid Korth TabrumEarly Oligocene (Orellan) A rodent related to mylagaulids and the mountain beaver. The type species is Brachygaulus nicholsi; genus also contains Brachygaulus leistneri and Brachygaulus xerobothrus.Caviodon cuyanoSpeciesValid Vucetich Deschamps et al.Vucetich, Deschamps, Morgan and Forasiepi.Late Miocene or Pliocene.Aisol Formation A cardiomyine rodent, a species of Caviodon.Cernictis repenningiSp. novValid BaskinMiocene (middle Hemphillian)Bidahochi Formation A galictine mustelid, a species of Cernictis.ChacomylusGen. et sp.Valid Williamson WeilPaleoceneNacimiento Formation A hyopsodontid condylarth.ChacopterygusGen. et sp.Valid Williamson Weil StandhardtMiddle PuercanNacimiento Formation A cimolestid cimolesta.Coelodonta thibetanaSpeciesValid Deng Wang et al.Deng, Wang, Fortelius, Li, Wang, Tseng, Takeuchi, Saylor, Säilä, XieMiddle Pliocene Woolly rhinoceros.ComahuetheriumGen. et sp.Valid Kramarz BondColhuehuapianCerro Bandera Formation An astrapotheriid.CryptobuneGen. et sp. novValid SigéPaleogeneQuercy Phosphorites Formation A bat. Genus includes new species C. thevenini.Cynthiacetus peruvianusSpeciesValid Martínez-Cáceres MuizonLate Eocene-Early OligoceneOtuma Formation A basilosaurid cetacean.DelotrochanterGen. et 3 sp. nov.Valid HuntArikareean A temnocyonine. The type species is Delotrochanter oryktes; genus also contains D. petersoni and D. majorDemocricetodon suiSp. novValid Maridet et al.Early MioceneJunggar Basin A rodent belonging to the family Cricetidae.Diplacodon giganSpeciesValid MihlbachlerMiddle EoceneWiggins Formation A brontotheriid.Enhydriodon dikikaeSp. novValid Geraads et al.Pliocene An otter.Eoconodon hutchisoniSp. novValid ClemensEarly Paleocene (Puercan)Tullock Formation A triisodontid, a species of Eoconodon.Eotitanops pakistanensisSpeciesValid Missiaen Gunnell GingerichYpresianGhazij Formation A brontotheriid.Equus (Sussemionus) ovodoviSp. novValid Eisenmann SergejLate Pleistocene A species of Equus.Eumys euryodusSp. novValid KorthOligocene (Whitneyan) A cricetid rodent, a species of Eumys.Euprox altusSp. novValid Wang ZhangMiddle MioceneDamiao Formation A deer.Gobicricetodon filippoviSp. novValid Sen ErbajevaMiddle Miocene A rodent belonging to the family Cricetidae and the subfamily Cricetodontinae.GriphotherionGen. et sp.Valid López PowellEocene A rodent-like notoungulate.HiskatheriumGen. et sp.Valid Pujos Iuliis QuispeSantacrucian A small ground sloth.Homotherium venezuelensisSp. novValid Rincón Prevosti ParraPleistoceneMesa Formation A machairodontine felid, a species of Homotherium.Hystrix paukensisSpeciesValid Yuichiro Nishioka Zin-Maung-Maung-Thein et al.Naoko Egi, Takehisa Tsubamoto, Takeshi Nishimura, Tsuyoshi Ito, Thaung-Htike and Masanaru Takai.late Miocene/early Pliocene new species in the genus Hystrix (Old World porcupine).Jacobsomys dailyiSp. novValid May et al.Miocene (late Hemphillian)Horned Toad Formation A cricetid rodent. Originally described as species of Jacobsomys; Rincón et al. (2016) transferred it to the genus Postcopemys.Juramaia Electronic supplementary materialGen. et sp.Valid Luo Yuan et al.Luo, Yuan, Meng, Ji.Callovian to BathonianTiaojishan Formation A basal eutherian. The type species is Juramaia sinensis.Karydomys debruijniSpeciesValid Maridet et al.Early Miocene A cricetid, a species of Karydomys.Khoratpithecus ayeyarwadyensisSpeciesValid Jaeger Soe et al.Jaeger, Soe, Chavasseau, Coster, Emonet, Guy, Lebrum, Maung, Shwe, Tun, Rugbumrung, Bocherens, Benammi, Chaivanich, Tafforeau, Chaimanee.Late MioceneIrrawaddy Formation A hominoid.KuntinaruGen. et sp.Valid Billet Hautier et al.Billet, Hautier, de Muizon, Valentin.Deseadan A dasypodid armadillo.LazibemysGen. et sp.Valid Marivaux et al.EoceneGlib Zegdou Formation A zegdoumyid anomaluromorph rodent. The type species is Lazibemys zegdouensis.LycophocyonGen. et sp.Valid Tomiya?Uintan-DuchesneanSantiago Formation A caniformian carnivoran.Mammacyon ferociorSp. nov.Valid HuntMid- or early late ArikareeanArikaree Group A temnocyonine, a species of MammacyonMartes ginsburgiSp. novValid Montoya, Morales & AbellaUpper Miocene A marten.Megacricetodon beijiangensisSpeciesValid Maridet et al.Early Miocene A cricetid, a species of Megacricetodon.Megapeomys repenningiSp. novValid TomidaEarly MioceneNakamura Formation An apeomyine eomyid rodent, a species of Megapeomys.MescalerolemurGen. et sp.Valid Kirk WilliamsUintanDevil's Graveyard Formation An adapiform strepsirrhini.MesolambdolophusGen. et sp.Valid Holbrook LapergolaBridgerian North American StageBridger Formation A small odd-toed ungulate of uncertain phylogenetic position, possibly related to Tapiromorpha. The type species is Mesolambdolophus setoni.MesoproctaGen. et sp. novValidCroft, Chick & AnayaMiddle Miocene A dasyproctid rodent. The type species is Mesoprocta hypsodus.MicrocardiodonGen. et sp. novValidPérez & VucetichMiddle Miocene A member of Hystricognathi, a cavioid rodent. The type species is Microcardiodon williensis.Microtus (Pedomys) parmaleeiSp. novValid Martin Peláez-Campomanes HoneyLatest Pleistocene An arvicoline rodent, a species of Microtus.MinchenoletesGen. et sp. novValid Wang et al.Early EoceneNomogen Formation A member of Tapiroidea belonging to the family Lophialetidae. The type species is M. erlianensis.MionothropusGen. et sp.Valid De Iuliis Gaudin VicarsHuayquerian A megatheriid sloth.MioparadoxurusGen. et sp. novValid Morales PickfordLate Miocene A paradoxurine viverrid. The type species is M. meini.MiotomodonGen. et sp. novValid KorthLate Miocene (Hemphillian) A cricetid rodent. The type species is Miotomodon mayi.MondegodonGen. et sp.Valid Tabuce Clavel AntunesEarliest EoceneSilveirinha Formation A mesonychian. The type species is M. eutrigonus.MyaingtheriumGen. et sp. novValid Tsubamoto et al.Late Middle EocenePondaung Formation A member of the family Anthracotheriidae. The type species is M. kenyapotamoides.Nannocricetus wuaeSp. novValid Zhang et al.Late Miocene A hamster.NevadomysGen. et 3 sp. novValid MouPliocene (Blancan)Panaca Formation A relative of the long-clawed mole vole. The type species is Nevadomys fejfari; genus also contains Nevadomys lindsayi and Nevadomys downsi.NuralagusGen. et sp.Valid Quintana Köhler Moyà-SolàEarly Pliocene A leporid rabbit.OcucajeaGen. et sp.Valid Uhen Pyenson et al.Uhen, Pyenson, Devries, Urbina, Renne.BartonianParacas Formation A basilosaurid cetacean.OldrichpedetesGen. et comb. et 3 sp. novValid Pickford & MeinEarly Miocene to early Pliocene
A pedetid rodent, a new genus for "Megapedetes" pickfordi (Mein & Senut, 2003). Genus also contains 3 new species: Oldrichpedetes fejfari, O. brigitteae and O. praecursor.ParanotiosorexGen. et sp. novValid MouPliocenePanaca Formation A shrew. The type species is Paranotiosorex panacaensis.Paronychomys shotwelliSp. novValid KorthLate Miocene (Hemphillian) A cricetid rodent. Originally described as a species of Paronychomys; transferred to the separate genus Tsaphanomys by Martin & Zakrzewski (2019).PhoxomylusGen. et sp.Valid FoxEarly TiffanianPaskapoo Formation A palaechthonid plesiadapiform.Pliosaccomys prowitteorumSp. novValidMartin & MalloryLate MioceneHemphillianEllensburg FormationA pocket gopher, a species of Pliosaccomys.Pliospalax complicatusSp. nov.Valid Şen SaricaMiocene A spalacid rodent, a species of Pliospalax.PostcopemysGen. et 2 sp. et comb. novValid Lindsay CzaplewskiPliocene (late Hemphillian and early Blancan) ?