Opinions from C. B. Schultz and E. B. Howard 1935

  • 'Accipiter belongs to Accipitridae'
  • 'Aechmophorus belongs to Colymbidae'
  • 'Antilocapra belongs to Antilocapridae'
  • 'Antilope americana is recombined as Antilocapra americana'
  • 'Arctodus belongs to Ursidae'
  • 'Arctomys flaviventer is recombined as Marmota flaviventris'
  • 'Arctomys ludoviciana is recombined as Cynomys ludovicianus'
  • 'Arctotherium is a subjective synonym of Arctodus'
  • 'Ardea canadensis is recombined as Grus canadensis'
  • 'Arvicola mexicana is recombined as Microtus mexicanus'
  • 'Arvicola mordax is recombined as Microtus mordax'
  • 'Asio belongs to Strigidae'
  • 'Bassaris astutus is recombined as Bassariscus astutus'
  • 'Bassariscus belongs to Bassariscidae'
  • 'Bison belongs to Bovidae'
  • 'Bison antiquus belongs to Bison'
  • 'Bison taylori is recombined as Bison antiquus taylori'
  • 'Bubo belongs to Strigidae'
  • 'Buteo belongs to Accipitridae'
  • 'Buteo swainsoni belongs to Buteo' according to Bonaparte 1838
  • 'Buteo swainsoni belongs to Buteo'
  • 'Camelops belongs to Camelidae'
  • 'Canis belongs to Canidae'
  • 'Canis latrans belongs to Canis'
  • 'Canis microdon belongs to Canis'
  • 'Canis nubilus belongs to Canis'
  • 'Canis velox is recombined as Vulpes velox'
  • 'Cathartes belongs to Cathartidae'
  • 'Cervus hemionus is recombined as Odocoileus hemionus'
  • 'Colaptes belongs to Picidae'
  • 'Conepatus belongs to Mustelidae'
  • 'Coragyps belongs to Cathartidae'
  • 'Cratogeomys belongs to Geomyidae'
  • 'Cupidonia cupido pallidicincta belongs to Cupidonia cupido' according to Ridgway 1873
  • 'Cupidonia cupido pallidicincta is recombined as Tympanuchus pallidicinctus'
  • 'Cynomys belongs to Sciuridae'
  • 'Dama virginiana is recombined as Odocoileus virginianus'
  • 'Dipodomys montanus belongs to Dipodomys' according to Baird 1855
  • 'Dipodomys montanus is recombined as Perodipus montanus'
  • 'Equus belongs to Equidae'
  • 'Equus excelsus belongs to Equus'
  • 'Equus tau belongs to Equus'
  • 'Euceratherium belongs to Bovidae'
  • 'Euceratherium collinum belongs to Euceratherium'
  • 'Euceratherium collinum morrisi belongs to Euceratherium collinum'
  • 'Falco belongs to Falconidae'
  • 'Falco cooperi belongs to Falco' according to Bonaparte 1828
  • 'Falco cooperi is recombined as Accipiter cooperi'
  • 'Falco mexicanus belongs to Falco'
  • 'Falco mexicanus belongs to Falco' according to Schlegel 1850
  • 'Falco sparverius belongs to Falco'
  • 'Felis belongs to Felidae'
  • 'Felis hippolestes is recombined as Felis concolor hippolestes'
  • 'Felis rufa is recombined as Lynx rufus'
  • 'Geomys fulvus belongs to Geomys' according to Woodhouse 1852
  • 'Geomys fulvus is recombined as Thomomys fulvus'
  • 'Grus belongs to Gruidae'
  • 'Gymnogyps belongs to Cathartidae'
  • 'Hesperomys maniculatus is recombined as Peromyscus maniculatus'
  • 'Homo belongs to Hominidae'
  • 'Homo sapiens belongs to Homo'
  • 'Icterus xanthocephalus belongs to Icterus' according to Bonaparte 1826
  • 'Icterus xanthocephalus is recombined as Xanthocephalus xanthocephalus'
  • 'Lepus belongs to Leporidae'
  • 'Lepus alleni belongs to Lepus'
  • 'Lepus audubonii is recombined as Sylvilagus auduboni'
  • 'Lepus sylvaticus floridanus is recombined as Sylvilagus floridanus'
  • 'Lepus townsendii belongs to Lepus'
  • 'Loxia belongs to Fringillidae'
  • 'Loxia curvirostra belongs to Loxia'
  • 'Marmota belongs to Sciuridae'
  • 'Meleagris belongs to Meleagridae'
  • 'Meleagris gallopavo belongs to Meleagris'
  • 'Mephitis mesoleucus is recombined as Conepatus mesoleucus'
  • 'Microtus belongs to Muridae'
  • 'Mus cinereus is recombined as Neotoma cinerea'
  • 'Mustela belongs to Mustelidae'
  • 'Neotoma belongs to Muridae'
  • 'Neotoma lepida belongs to Neotoma'
  • 'Neotoma mexicana belongs to Neotoma'
  • 'Odocoileus belongs to Cervidae'
  • 'Oreortyx belongs to Perdicidae'
  • 'Ortyx picta belongs to Ortyx' according to Douglas 1829
  • 'Ortyx picta is recombined as Oreortyx picta'
  • 'Otospermophilus belongs to Sciuridae'
  • 'Ovis belongs to Bovidae'
  • 'Ovis canadensis auduboni belongs to Ovis canadensis' according to C. H. Merriam 1901
  • 'Ovis canadensis auduboni is recombined as Ovis auduboni'
  • 'Pappogeomys belongs to Geomyidae'
  • 'Perodipus belongs to Heteromyidae'
  • 'Peromyscus belongs to Muridae'
  • 'Podiceps occidentalis is recombined as Aechmophorus occidentalis'
  • 'Podiceps occidentalis belongs to Podiceps' according to Lawrence 1858
  • 'Preptoceras belongs to Bovidae'
  • 'Preptoceras sinclairi belongs to Preptoceras'
  • 'Preptoceras sinclairi neomexicana belongs to Preptoceras sinclairi'
  • 'Pseudostoma castanops is recombined as Cratogeomys castanops'
  • 'Putorius nigripes is recombined as Mustela nigripes'
  • 'Rangifer belongs to Cervidae'
  • 'Rangifer fricki belongs to Rangifer'
  • 'Sangamona belongs to Cervidae'
  • 'Sciurus grammurus is recombined as Otospermophilus grammurus'
  • 'Strix flammea belongs to Strix' according to Pontoppidan 1763
  • 'Strix flammea is recombined as Asio flammeus'
  • 'Strix virginiana belongs to Strix' according to Gmelin 1788
  • 'Strix virginiana is recombined as Bubo virginianus'
  • 'Sylvilagus belongs to Leporidae'
  • 'Taxidea belongs to Mustelidae'
  • 'Tetrameryx belongs to Antilocapridae'
  • 'Tetrameryx onusrosagris belongs to Tetrameryx'
  • 'Tetrao cupido is recombined as Cupidonia cupido' according to Reichenbach 1852
  • 'Thomomys belongs to Geomyidae'
  • 'Tympanuchus belongs to Tetraonidae'
  • 'Ursus taxus is recombined as Taxidea taxus'
  • 'Vulpes belongs to Canidae'
  • 'Vulpes macroura belongs to Vulpes' according to Baird 1852
  • 'Vulpes macroura belongs to Vulpes'
  • 'Vultur atratus belongs to Vultur' according to Bechstein 1793
  • 'Vultur atratus is recombined as Coragyps atratus'
  • 'Vultur aura is recombined as Cathartes aura'
  • 'Vultur californianus is recombined as Gymnogyps californianus'
  • 'Xanthocephalus belongs to Icteridae'