# List of the prehistoric life of Oklahoma

This list of the prehistoric life of Oklahoma contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Oklahoma.

## Precambrian

The Paleobiology Database records no known occurrences of Precambrian fossils in Alabama.

## Paleozoic
### Selected Paleozoic taxa of Oklahoma

* †Abyssomedon – type locality for genus
** †Abyssomedon williamsi – type locality for species
* Restoration of the Permian amphibian Acheloma †Acheloma
** †Acheloma cumminsi – or unidentified comparable form
** †Acheloma dunni – type locality for species
* †Acleistorhinus – type locality for genus
** †Acleistorhinus pteroticus – type locality for species
* †Albertoceras
* †Alethopteris
** †Alethopteris serlii
* †Alexandrinia
** †Alexandrinia directa – type locality for species
* Ammodiscus
* †Amphiscapha
* †Anabathra
* †Ananaspis
* †Anataphrus
* †Angelosaurus
** †Angelosaurus romeri – type locality for species
* † Anisophyllum
* Fossil of the Carboniferous horsetail relative Annularia †Annularia
** †Annularia sphenophylloides
** †Annularia stellata
* †Anomphalus
* †Anthracoceras
* †Aphlebia
* †Archaeocidaris
* Archaeolithophyllum
* †Archeria
* †Archimedes
** †Archimedes distans
** †Archimedes meekanoides
** †Archimedes meekanus – or unidentified comparable form
* †Arkanites
* †Aspidosaurus – or unidentified comparable form
* †Athyris
* †Atrypa
* Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten †Aviculopecten
** †Aviculopecten halensis
** †Aviculopecten multilineatus
** †Aviculopecten nodocosta – type locality for species
* †Avonia – tentative report
* †Axinolobus
* †Baeotherates – type locality for genus
** †Baeotherates fortsillensis – type locality for species
* †Bellerophon
* †Benthamaspis
* †Bicornella
* †Bilinguites
* †Bisatoceras – type locality for genus
* †Bolbocephalus
* †Bolosaurus
** †Bolosaurus grandis – type locality for species
** †Bolosaurus striatus
* †Bolterpeton – type locality for genus
* †Bothriocidaris
* Life restoration of the Permian amphibian Cacops †Cacops
** †Cacops morrisi – type locality for species
** †Cacops woehri – type locality for species
* †Calamites
* †Callipteris
* †Calymene
** †Calymene clavicula
* †Calyptaulax
* †Camarotoechia
* † Camerate
* †Campbelloceras
* †Cancelloceras
* †Capnophyllum
* Fossilized skeletons of the Permian reptile Captorhinus †Captorhinus
** †Captorhinus aguti
* †Cardiocephalus
** †Cardiocephalus peabodyi – type locality for species
** †Cardiocephalus sternbergi – or unidentified comparable form
* †Carolinites
* †Ceramopora
* †Ceratiocaris
* †Ceratocephala
* †Ceraurinella
* †Ceraurus
* Fossil of the Cambrian-Middle Devonian trilobite Cheirurus †Cheirurus
* †Chonetes
** †Chonetes mesoloba
* †Cladochonus
* †Cleiothyridina
** †Cleiothyridina orbicularis
* †Clepsydrops
* Cliona
* †Colobomycter – type locality for genus
** †Colobomycter pholeter – type locality for species
* †Composita
** †Composita mexicana
** †Composita rotunda
** †Composita subcircularis
** †Composita subtilita
* †Coolinia
* †Cordania
** †Cordania falcata
* †Cordylodus
* †Cornulites
* Mounted fossilized skeleton of the Permian synapsid (mammal precursor) Cotylorhynchus †Cotylorhynchus – type locality for genus
** †Cotylorhynchus bransoni – type locality for species
** †Cotylorhynchus romeri – type locality for species
* Crania
* †Craniops
* †Cravenoceras
* †Cricotus
* †Crossotelos – type locality for genus
* †Ctenacanthus – report made of unidentified related form or using admittedly obsolete nomenclature
* †Curtognathus
* †Cybelopsis
* †Cycloceras
* †Cyclonema
* Fossilized foliage from the Carboniferous seed fern Cyclopteris †Cyclopteris
* †Cyphaspis
* †Cyrtograptus
* †Cystodictya
** †Cystodictya elegans – type locality for species
* †Dalmanites
* †Delorhynchus – type locality for genus
** †Delorhynchus cifellii – type locality for species
** †Delorhynchus priscus – type locality for species
* †Diacalymene
* †Diadectes
* †Dicoelosia
* †Dicranurus
** †Dicranurus hamatus
* †Dictyonema
* †Dimeropygiella
* Life restoration of the Permian synapsid (mammal precursor) Dimetrodon †Dimetrodon
** †Dimetrodon dollovianus
** †Dimetrodon limbatus – or unidentified comparable form
** †Dimetrodon loomisi
** †Dimetrodon macrospondylus
* †Diplocaulus – type locality for genus
** †Diplocaulus magnicornis
* †Diplograptus
* †Discitoceras
* †Doleserpeton – type locality for genus
* †Domatoceras
* †Eatonia
* †Echinaria
* †Echinosphaerites
* †Ectosteorhachis
* Life restoration of the Carboniferous-Permian synapsid (mammal precursor) Edaphosaurus †Edaphosaurus
** †Edaphosaurus cruciger
* †Edestus – type locality for genus
* †Edmondia
* †Eodictyonella
* †Eospirifer
* †Epiphyton
* †Eryops
** †Eryops megacephalus
* †Estheria
* †Eucalyptocrinites
* †Euryodus
** †Euryodus dalyae – type locality for species
** †Euryodus primus – or unidentified comparable form
* †Favosites
* †Fayella – type locality for genus
* †Feeserpeton – type locality for genus
** †Feeserpeton oklahomensis – type locality for species
* Fossil of the Middle Ordovician-Late Triassic bryozoan ("moss animal") Fenestella †Fenestella
** †Fenestella cestriensis
** †Fenestella exigua
* †Foerstia
* †Fragiscutum
* †Frencrinuroides
* †Fusulina
* †Gastrioceras
* †Girvanella
* †Glaphurochiton
* †Glyptopleura
* †Gnathodus
* Life restoration of the Permian lungfish Gnathorhiza †Gnathorhiza
* †Goniatites
* †Gotlandochiton
* †Gymnophyllum
** †Gymnophyllum wardi
* †Hallopora
* †Halysites
* †Hapsidopareion – type locality for genus
** †Hapsidopareion lepton – type locality for species
* †Helminthochiton
* †Hibbertia
* †Hindia
* †Holopea – tentative report
* †Huntoniatonia
* †Idiognathodus
* †Illaenus
* Fossil of the Middle-Late Ordovician giant trilobite Isotelus. †Isotelus
* †Ivoechiton
* †Jeffersonia
* †Kainops
* †Kawina
* †Kennedya
* †Kockelella
* †Krausella
* †Labidosaurikos – type locality for genus
* Life restoration of the Permian reptile Labidosaurus †Labidosaurus
* †Leonaspis
* †Lepidodendron
* Lingula
* †Lingulella
* †Liroceras
* †Lisca
* Lithophaga
* †Llistrofus – type locality for genus
* †Lonchodomas
* †Lutesvillia
* Life restoration of the Permian snake-like amphibian Lysorophus showing speculative egg-coiling behavior †Lysorophus
* †Macroleter
** †Macroleter agilis – type locality for species
* †Marsupiocrinus
* †Maximites
* †Mcqueenoceras
* †Meganeuropsis
* †Meristella
* †Meristina
* †Metacoceras
* †Michelinoceras
* †Micraroter – type locality for genus
** †Micraroter erythrogeios – type locality for species
* †Microleter – type locality for genus
** †Microleter mckinzieorum – type locality for species
* †Micula – tentative report
* †Misthodotes
* Modiolus
* †Monograptus
* †Moravia
* Life restoration of the Permian synapsid (mammal precursor) Mycterosaurus †Mycterosaurus – type locality for genus
** †Mycterosaurus longiceps – type locality for species
* †Nannaroter – type locality for genus
* †Nannospondylus – type locality for genus
* †Naticopsis
** †Naticopsis transversa – type locality for species
* †Neospirifer
** †Neospirifer dunbari
* †Neuropteris
** †Neuropteris heterophylla
** †Neuropteris obliqua
** †Neuropteris rarinervis
* Nucula
* †Odontochile
* †Oinochoe
* † Oliveria
* Life restoration of the Carboniferous-Permian synapsid (mammal precursor) Ophiacodon †Ophiacodon
** †Ophiacodon major
** †Ophiacodon mirus – or unidentified comparable form
** †Ophiacodon uniformis
* †Opisthodontosaurus – type locality for genus
* †Oromycter – type locality for genus
** †Oromycter dolesorum – type locality for species
* †Orovenator – type locality for genus
** †Orovenator mayorum – type locality for species
* †Orthacanthus
* †Orthoceras
* †Oulodus
* †Ozarkodina
** †Ozarkodina confluens
* †Pachylyroceras
* Fossil of the trilobite Paciphacops †Paciphacops
* †Paladin
* Palaeoaplysina – tentative report
* †Paleochiton
* †Paralegoceras
* †Pasawioops – type locality for genus
* †Pecopteris
** †Pecopteris hemitelioides
* †Pentremites
* †Peripetoceras
* †Perryella – type locality for genus
* †Petalodus
* †Phillipsia – tentative report
* †Phragmolites
* †Pinnularia
* †Plaesiomys
* †Platyceras
* †Platycrinites
* †Platysomus
* †Platystrophia
* †Plectodonta
* †Pleuracanthus
* Fossil of the Late Ordovician cystoid echinoderm Pleurocystites †Pleurocystites
* †Plicochonetes
* †Polygnathodella – type locality for genus
* †Polygnathus
* †Prioniodus
* †Prodentalium
* †Proetus
* †Protocaptorhinus
** †Protocaptorhinus pricei
* †Punka
* †Rayella
* †Rayonnoceras
* †Reedops
* †Remopleurides
* †Reteocrinus
* †Rhopalia
* †Rhynchonkos
** †Rhynchonkos stovalli – type locality for species
* Rogerella
* †Sagenodus
* †Sandia
* †Scytalocrinus
* Fossilized skeleton of the Permian primitive four-limbed animal Seymouria †Seymouria
** †Seymouria baylorensis
* †Sigillaria
* †Sillerpeton – type locality for genus
* †Skenidioides
* Solecurtus
* Solemya – report made of unidentified related form or using admittedly obsolete nomenclature
* †Solenochilus
* †Solenomorpha – tentative report
* †Sowerbyella
* †Sphaerexochus
* †Sphaerocoryphe
* Fossilized leaves and branches of the Devonian-Triassic horsetail relative Sphenophyllum †Sphenophyllum
** †Sphenophyllum emarginatum
** †Sphenophyllum gilmorei
** †Sphenophyllum latifolium – or unidentified comparable form
** †Sphenophyllum stoukenbergi – tentative report
* †Sphenopteris
* †Spirifer
** †Spirifer grimesi
** †Spirifer opimus
* Spirorbis
* †Streptognathodus
* †Stroboceras
* Fossilized shell of the Ordovician-Silurian brachiopod Strophomena †Strophomena
** †Strophomena costellata
** †Strophomena neglecta
** †Strophomena perconcava – or unidentified comparable form
** †Strophomena planumbona
* †Tainoceras
* †Tarphyceras
* †Tentaculites
* †Tersomius
** †Tersomius texensis – or unidentified comparable form
* †Tetrataxis
* Textularia
* †Thoracoceras
* †Thrausmosaurus – type locality for genus
* †Trimerorhachis
** †Trimerorhachis insignis
* †Urasterella
* †Varanodon – type locality for genus
** †Varanodon agilis – type locality for species
* Life restoration of the Permian synapsid (mammal precursor) Varanops †Varanops
** †Varanops brevirostris – or unidentified comparable form
* †Vinella
* †Walchia
* †Watongia – type locality for genus
** †Watongia meieri – type locality for species
* †Wilkingia
* †Worthenia
* †Wurmiella
** †Wurmiella excavata
* †Xenacanthus
* Yoldia
* †Zatrachys

## Mesozoic

* Life restoration of the Early Cretaceous theropod dinosaur Acrocanthosaurus †Acrocanthosaurus – type locality for genus
** †Acrocanthosaurus atokensis – type locality for species
* †Albanerpeton
** †Albanerpeton arthridion
* †Allosaurus – type locality for genus
** †Allosaurus fragilis – type locality for species
* Ammobaculites
** †Ammobaculites subgoodlandensis – type locality for species
* †Apatosaurus
* †Arcellites
** †Arcellites hexapartitus – or unidentified comparable form
* †Astroconodon
** †Astroconodon denisoni – or unidentified comparable form
* †Astrodon
* †Atokasaurus – type locality for genus
** †Atokasaurus metarsiodon – type locality for species
* †Atokatheridium – type locality for genus
** †Atokatheridium boreni – type locality for species
* †Barosaurus
* †Bernissartia
* †Brachiosaurus
* Mounted fossilized skeleton of the Late Jurassic long-necked dinosaur Brontosaurus †Brontosaurus
** †Brontosaurus parvus
* †Camarasaurus
* †Camptosaurus
** †Camptosaurus dispar
* †Caririchnium
** †Caririchnium leonaridii
* †Ceratodus
* †Ceratosaurus – tentative report
* Cythere
** †Cythere concentrica
* †Cythereis
** †Cythereis carpenterae
** †Cythereis mahonae
** †Cythereis subgoodlandensis – type locality for species
* Cytherella
** †Cytherella ovata
* Cytherelloidea
** †Cytherelloidea rhomboidalis – type locality for species
** †Cytherelloidea subgoodlandensis – type locality for species
* Cytheridea
** †Cytheridea amygdaloides
** †Cytheridea oliverensis
** †Cytheridea rotundus – or unidentified comparable form
* Cytheropteron
** †Cytheropteron howelli
** †Cytheropteron trinitiensis
* Life restoration of the Early Cretaceous dromaeosaur ("raptor") Deinonychus †Deinonychus
** †Deinonychus antirrhopus
* †Diplodocus
* †Escharoides – tentative report
** †Escharoides nomas – type locality for species
* †Exogyra
** †Exogyra ponderosa
** †Exogyra texana
* †Glyptops
* Restoration of the Late Jurassic-Early Cretaceous crocodile relative Goniopholis †Goniopholis
** †Goniopholis stovalli – type locality for species
* †Grallator
* †Gyronchus
** †Gyronchus dumblei
* †Holoclemensia
** †Holoclemensia texana
* †Hybodus
** †Hybodus butleri
* †Kermackia
** †Kermackia texana
* Fossilized skeleton of the Late Triassic amphibian Koskinonodon †Koskinonodon
* Lituotuba
* †Lonchidion
** †Lonchidion anitae
* †Magnoavipes
* †Megalosauripus
* †Naomichelys
* †Oklatheridium – type locality for genus
** †Oklatheridium minax – type locality for species
** †Oklatheridium szalayi – type locality for species
* Ostrea
** †Ostrea crenulimargo
* Fossilized skeleton of the Early Cretaceous-Eocene bony fish Palaeobalistum †Palaeobalistum – tentative report
* †Pappotherium
** †Pappotherium pattersoni
* †Paracimexomys – tentative report
** †Paracimexomys crossi – type locality for species
* Paracypris
** †Paracypris siliqua
* Patellina
** †Patellina subcretacea
* Planulina
* †Pleurocoelus
* †Pteraichnus
* †Ptilotodon – type locality for genus
** †Ptilotodon wilsoni – type locality for species
* Pyripora
* Ramphonotus
** †Ramphonotus pedunculatus
* Ramulina
* Reophax
** †Reophax subgoodlandensis – type locality for species
* †Saurophaganax – type locality for genus
** †Saurophaganax maximus – type locality for species
* †Sauroposeidon – type locality for genus
** †Sauroposeidon proteles – type locality for species
* †Stegosaurus
* †Tenontosaurus
* Textularia
** †Textularia conica
* Vaginulina
** †Vaginulina intumescens

## Cenozoic

* †Adelphailurus
* †Aelurodon
** †Aelurodon taxoides – or unidentified comparable form
* †Aepycamelus
** †Aepycamelus robustus
* †Agriotherium
** †Agriotherium schneideri
* †Alforjas
** †Alforjas taylori
* Alligator
* Life restoration of the Miocene elephant relative Amebelodon. Margret Flinsch (1932). †Amebelodon
* †Amphimachairodus
** †Amphimachairodus coloradensis
* †Aphelops
** †Aphelops malacorhinus
* †Arctonasua
** †Arctonasua fricki – type locality for species
* †Astrohippus
** †Astrohippus ansae
* †Barbourofelis
** †Barbourofelis loveorum
* Bison
** †Bison antiquus
** Mounted fossilized skeleton of the Pleistocene Bison latifrons, or long-horned bison †Bison latifrons – or unidentified comparable form
* Blarina
** †Blarina brevicauda
* †Bootherium
** †Bootherium bombifrons
* †Borophagus
** †Borophagus secundus
* †Buisnictis
** †Buisnictis schoffi – type locality for species
* †Calippus
** †Calippus martini – type locality for species
** †Calippus regulus
* Life restoration of the Pliocene-Holocene camel Camelops †Camelops
* Canis
** †Canis ferox
** †Canis latrans
* †Carpocyon
** †Carpocyon limosus
* †Castoroides
** †Castoroides ohioensis – or unidentified comparable form
* Chaetodipus
** †Chaetodipus hispidus – or unidentified comparable form
* Coluber
** †Coluber constrictor
* †Copemys
** †Copemys mariae – type locality for species
** †Copemys shotwelli
* †Cormohipparion
** †Cormohipparion occidentale
* Crotalus
** †Crotalus viridis – or unidentified comparable form
* Life restoration of the Pliocene-Holocene elephant relative Cuvieronius †Cuvieronius
** †Cuvieronius priestleyi
* Cynomys
** †Cynomys ludovicianus
* Dasypus
** †Dasypus bellus
* †Desmathyus
** †Desmathyus brachydontus
* †Dinohippus
** †Dinohippus leidyanus
* †Dipoides
** †Dipoides stovalli
* †Domninoides
** †Domninoides hessei – type locality for species
** †Domninoides knoxjonesi – type locality for species
* Elaphe
** †Elaphe buisi – type locality for species
** A living Pantherophis obsoletus, or black rat snake †Elaphe obsoleta – or unidentified comparable form
** †Elaphe vulpina
* †Epicyon
** †Epicyon haydeni
** †Epicyon saevus
* Equus
** †Equus excelsus
** †Equus francisci
** †Equus giganteus
** †Equus niobrarensis
** †Equus scotti
* Life restoration of the Pleistocene bovid Euceratherium, or the shrub ox. Robert Bruce Horsfall (1913). †Euceratherium
** †Euceratherium collinum – type locality for species
* †Eucyon
** †Eucyon davisi
* Felis
** †Felis rexroadensis
* Geochelone
* Geomys
** †Geomys bursarius
* †Gigantocamelus
** †Gigantocamelus spatulus
* Mounted fossilized skeleton of the Pleistocene armadillo relative Glyptotherium †Glyptotherium
** †Glyptotherium arizonae
* †Gomphotherium
** †Gomphotherium obscurum
* Gopherus
* †Hemiauchenia
** †Hemiauchenia macrocephala
* †Hesperoscalops
* †Hesperotestudo
** †Hesperotestudo riggsi
* Heterodon
** †Heterodon nasicus
** †Heterodon platyrhinos
** †Heterodon plionasicus
* †Hipparion
** †Hipparion tehonense
* †Hippotherium
* Restoration of Pliocene-Pleistocene Homotherium, or scimitar cat †Homotherium – type locality for genus
** †Homotherium serum – type locality for species
* †Hypolagus
** †Hypolagus vetus
* Lampropeltis
** †Lampropeltis doliata
** †Lampropeltis getulus
** †Lampropeltis triangulum
* Lasionycteris
** †Lasionycteris noctivagans
* †Leptodontomys
* Lepus
* Lophodytes
** †Lophodytes cucullatus
* Lynx
** †Lynx proterolyncis
* †Macrognathomys
** †Macrognathomys gemmacolis
* †Mammut
* †Mammuthus
** Life restoration of a herd of Mammuthus columbi, or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909). †Mammuthus columbi
** †Mammuthus hayi
* Marmota
* †Megalonyx
** †Megalonyx jeffersonii
* †Megatylopus
** †Megatylopus matthewi
* †Merychippus
** †Merychippus coloradense – or unidentified comparable form
* †Merychyus
** †Merychyus novomexicanus
* Microtus
** †Microtus ochrogaster – or unidentified comparable form
** †Microtus pennsylvanicus
* †Miospermophilus
** †Miospermophilus lavertyi – type locality for species
* †Mylohyus
** †Mylohyus fossilis
* Myotis
** †Myotis yumanensis – or unidentified comparable form
* Partial fossilized mandible of the Miocene-Pliocene horse Nannippus †Nannippus
** †Nannippus aztecus
** †Nannippus lenticularis
* †Neohipparion
** †Neohipparion eurystyle
** †Neohipparion gidleyi
** †Neohipparion leptode
* Neotoma
* Nerodia
* †Nimravides
** †Nimravides thinobates – or unidentified comparable form
* †Nothodipoides
** †Nothodipoides planus – type locality for species
* Life restoration of the Pleistocene ground sloth Nothrotheriops †Nothrotheriops
** †Nothrotheriops texanus
* Odocoileus
* †Oklahomalagus
** †Oklahomalagus whisenhunti – type locality for species
* Ondatra
** †Ondatra zibethicus
* Onychomys
** †Onychomys leucogaster – or unidentified comparable form
* Ophisaurus
** †Ophisaurus attenuatus
* Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon †Paramylodon
** †Paramylodon harlani
* †Paranasua
* †Pediomeryx
** †Pediomeryx hemphillensis
* Perognathus
** †Perognathus mclaughlini – or unidentified comparable form
* Peromyscus
** †Peromyscus berendsensis – type locality for species
** †Peromyscus cochrani – or unidentified comparable form
* Pipistrellus
** †Pipistrellus subflavus
* Pituophis
** †Pituophis catenifer
** †Pituophis melanoleucus
* Restoration of a herd of alarmed Miocene-Pleistocene peccaries of the genus Platygonus. Charles R. Knight (1922). †Platygonus
** †Platygonus vetus – or unidentified comparable form
* †Pleiolama
** †Pleiolama vera
* †Plesiogulo
** †Plesiogulo marshalli
* †Pliogeomys
** †Pliogeomys buisi – type locality for species
* †Pliohippus
** †Pliohippus nobilis
** †Pliohippus pernix
* †Pliotaxidea
** †Pliotaxidea nevadensis – or unidentified comparable form
* Podomys
** †Podomys oklahomensis
* †Procamelus
** †Procamelus grandis – or unidentified comparable form
* †Prodipodomys
* †Pronotolagus
** †Pronotolagus apachensis
* Pseudacris
** †Pseudacris triseriata
* Pseudemys
** †Pseudemys hilli – type locality for species
* †Pseudhipparion
** †Pseudhipparion gratum
** †Pseudhipparion simpsoni
** †Pseudhipparion skinneri
* Reithrodontomys
* †Serbelodon – or unidentified comparable form
* Life restoration of the Pleistocene-Holocene saber-tooth cat Smilodon †Smilodon
** †Smilodon fatalis
* Sorex
** †Sorex arcticus
** †Sorex cinereus
** †Sorex palustris
* Spermophilus
** †Spermophilus dotti
** †Spermophilus franklinii
** †Spermophilus rexroadensis
** †Spermophilus richardsonii – or unidentified comparable form
** †Spermophilus tridecemlineatus
* Fossilized skeleton of the Miocene weasel Sthenictis Sthenictis
* Sylvilagus
* Synaptomys
** †Synaptomys bunkeri
* Tamias
** †Tamias striatus
* Tapirus
** †Tapirus haysii
** †Tapirus veroensis
* Restoration of the Miocene-Pliocene rhinoceros Teleoceras †Teleoceras
** †Teleoceras fossiger
** †Teleoceras guymonense – type locality for species
** †Teleoceras hicksi
* Terrapene
** †Terrapene parornata – type locality for species
* †Texoceros
** †Texoceros guymonensis – type locality for species
** †Texoceros minorei – type locality for species
* Thamnophis
** †Thamnophis radix
* Thomomys
** †Thomomys talpoides
* †Tregosorex
** †Tregosorex holmani
* †Untermannerix
** †Untermannerix copiosus
* Vulpes
** †Vulpes stenognathus – type locality for species
** A living Vulpes velox, or swift fox †Vulpes velox
* †Yumaceras
** †Yumaceras figginsi – or unidentified comparable form
* Zapus