Taxa Count: 48

Family Not Defined

Merychippus

Miomastodon proavus

Prosciurus

Eomys

Helodermoides tuberculatus

Reptilia

Niptomomys

Leptomeryx

Squamata

Mammalia

Leptomeryx mammifer

Poebrotherium

Rodentia

Trigonias

Megacerops

Perissodactyla

Miniochoerus gracilis

Mesohippus

Artiodactyla

Leptomeryx speciosus

Testudines

Palaeolagus

Carnivora

Hesperocyon

Merycoidodon

Stylemys

Crocodylia

Archaeotherium

Hypertragulus

Palaeolagus temnodon

Aves

Megalagus brachyodon

Helodermoides

Lagomorpha

Lipotyphla

Chelonia

Trionyx

Heptodon

Coryphodon

Eumys

Leptomeryx evansi

Phenacodus bisonensis

Nannodectes lynasi

Promioclaenus walshi

Lambertocyon gingerichi

Protoselene ashtoni

Mimotricentes tedfordi

Golerdelphys stocki