PBDB

Opinions from S. D. Webb 1969

'Aelurodon meandrinus is a nomen dubium'
'Astrohippus curtivallis is a subjective synonym of Calippus anatinus'
'Auchenia major is recombined as Megatylopus major'
'Blastomeryx scotti is recombined as Aletomeryx scotti'
'Brachypsalis modicus is recombined as Brachypsaloides modicus'
'Brachypsalis obliquidens is a subjective synonym of Brachypsalis pristinus'
'Brachypsaloides belongs to '
'Calippus martini is recombined as Astrohippus martini'
'Calippus optimus is a subjective synonym of Calippus anatinus'
'Cervavus sinclairi is a subjective synonym of Cranioceras unicornis'
'Cosoryx (Paracosoryx) burgensis is a subjective synonym of Cosoryx furcatus'
'Cosoryx burgensis is a subjective synonym of Cosoryx furcatus'
'Cranioceras dakotensis is a subjective synonym of Cranioceras unicornis'
'Cranioceras granti is a subjective synonym of Cranioceras unicornis'
'Cranioceras mefferdi is a subjective synonym of Cranioceras unicornis'
'Cynodesmus euthos is recombined as Tomarctus euthos'
'Dinocyon gidleyi is recombined as Ischyrocyon gidleyi'
'Dinohippus subvenus is a subjective synonym of Pliohippus supremus'
'Griphippus is a subjective synonym of Pseudhipparion'
'Hadrocyon is a subjective synonym of Ischyrocyon'
'Hadrocyon mohavensis is recombined as Ischyrocyon mohavensis'
'Hipparion affine is a subjective synonym of Neohipparion occidentale'
'Hipparion dolichops is a subjective synonym of Neohipparion occidentale'
'Hipparion gratum is recombined as Pseudhipparion gratum'
'Hippidium interpolatum is recombined as Dinohippus interpolatus'
'Hippodon is a subjective synonym of Pseudhipparion'
'Hippodon speciosus is a subjective synonym of Pseudhipparion gratum'
'Hippotherium retrusum is recombined as Pseudhipparion retrusum' according to Ameghino 1904
'Hippotherium retrusum is recombined as Pseudhipparion retrusum'
'Hippotigris clarendonensis is a subjective synonym of Pliohippus supremus'
'Hippotigris parastylus is a subjective synonym of Pliohippus supremus'
'Homocamelus is a subjective synonym of Procamelus'
'Homocamelus caninus is a subjective synonym of Procamelus robustus'
'Hypohippus matthewi is recombined as Megahippus matthewi'
'Hypsoparia is a subjective synonym of Leptarctus'
'Hypsoparia bozemanensis is a subjective synonym of Leptarctus primus'
'Ischyrocyon hyaenodus is a subjective synonym of Ischyrocyon gidleyi'
'Leptocyon belongs to Canidae'
'Lutra pristina is recombined as Brachypsalis pristinus'
'Martes glareae is a subjective synonym of Martes ogygia'
'Martes ogygia belongs to Martes'
'Martes ogygia belongs to Martes' according to Matthew 1901
'Merychippus francisi is recombined as Calippus francisi'
'Neohipparion niobrarense is a subjective synonym of Pseudhipparion gratum'
'Plioceros is a subjective synonym of Sphenophalos'
'Plioceros floblairi is recombined as Sphenophalos floblairi'
'Pliocyon walkerae is a subjective synonym of Ischyrocyon gidleyi'
'Pliohippus (Pliohippus) mexicanus is recombined as Pliohippus mexicanus'
'Pliohippus lullianus is a subjective synonym of Pliohippus supremus'
'Procamelus angustidens is a subjective synonym of Protolabis heterodontus'
'Procamelus dakotensis is a subjective synonym of Procamelus grandis'
'Procamelus elrodi is recombined as Aepycamelus elrodi'
'Procamelus fissidens is recombined as Protolabis fissidens'
'Procamelus foxi is a subjective synonym of Protolabis heterodontus'
'Procamelus heterodontus is recombined as Protolabis heterodontus'
'Procamelus inaequidens is a nomen dubium'
'Procamelus lacustris is a subjective synonym of Procamelus occidentalis'
'Procamelus madisonius is a subjective synonym of Procamelus robustus'
'Protohippus ansae is recombined as Astrohippus ansae'
'Protohippus fossulatus is a subjective synonym of Pliohippus supremus'
'Protohippus pachyops is recombined as Pliohippus pachyops'
'Protohippus simus is a subjective synonym of Pliohippus pachyops'
'Protohippus supremus is recombined as Pliohippus supremus'
'Protolabis francisi is a nomen dubium'
'Protolabis montanus is a subjective synonym of Protolabis fissidens'
'Protolabis prehensilis is a nomen dubium'
'Protolabis princetonianus is a subjective synonym of Protolabis fissidens'
'Strobodon belongs to '
'Strobodon stirtoni belongs to Strobodon'