List of the Cenozoic life of Wyoming Rhinocerotoidea Plesiotapirus Indolophus Caementodon Gaindatherium Helaletes Deperetella Eggysodon Meniscotherium Tapiroidea Nexuotapirus Mesolambdolophus Hallensia Litolophus Protorohippus Notiotitanops Paschatherium Pappaceras Eodesmatodon Meninatherium Hsanotherium Anthracobune Jozaria Hipparion Hypohippus Hispanotherium Alicornops Aphelops Haringtonhippus Acerorhinus Nakusia Miotapirus Meridiolophus Peraceras Metatelmatherium Teleolophus Cremohipparion Parelasmotherium Brachydiastematherium Sthenodectes Chacomylus Copecion Iranotherium Olbitherium Phenacodontidae Bahinolophus Prosantorhi…

inus Equoidea Rusingaceros Aceratheriinae Metamynodon Hesperotherium Palaeosyops Almogaver Metarhinus Mesatirhinus Mesohippus Astrohippus Systemodon Victoriaceros Mulkrajanops Plesiaceratherium Aceratherium Nanotitanops Paracolodon Rhodopagus Colodon Bugtirhinus Kenyatherium Hyopsodontidae Nesorhinus Acritohippus Aralotherium Floridaceras Nannippus Allacerops Deperetellidae Miohippus Pakotitanops Protaceratherium Tapira

vus Helaletidae Telmatherium Gandheralophus Shennongtherium Haplohippus Paratapirus Diaceratherium Nestoritherium Eurygnathohippus Duchesneodus Kalobatippus Desmatippus Lambdotherium Archaeohippus Obergfellia Ectocion Pseudhipparion Parahippus Heptodon Lartetotherium Paradiceros Sivalhippus Brachypotherium Homogalax Menoceras Pliohippus Hyracotherium Lophiaspis Ancylopoda Sinohippus Proboscidipparion Pliolophus Shansirhinus Cadurcodon Sphenocoelus Gulfoceras Radinskya Isectolophidae Aletodon Megahippus Mesaceratherium Hyrachyus Sifrhippus Protohippus Hyracodon Ceratotherium Uintaceras Calippus (mammal) Propalaeotherium Trigonias Hippidion Chemositia Schizotherium Cambaytherium Eotitanops Ronzotherium Hippoth