PBDB

Opinions from J. W. Gidley 1903

'Equus complicatus belongs to Equus'
'Equus complicatus is a subjective synonym of Equus major' according to Leidy 1869
'Equus cumminsii is recombined as Protohippus cumminsii'
'Equus eurystylus is recombined as Hipparion eurystyle'
'Equus major is a subjective synonym of Equus complicatus'
'Equus major belongs to Equus' according to DeKay 1842
'Equus minutus is a nomen dubium'
'Equus minutus is replaced by Merychippus phlegon' according to Trouessart 1905
'Equus minutus is replaced by Protohippus phlegon' according to Gidley 1901
'Equus minutus is replaced by Equus phlegon' according to Hay 1899
'Equus parvulus is recombined as Protohippus parvulus'
'Equus phlegon is a nomen dubium'
'Equus phlegon is recombined as Merychippus phlegon' according to Trouessart 1905
'Equus simplicidens is recombined as Pliohippus simplicidens'
'Hipparion affine is recombined as Hippotherium affine' according to Cope 1889
'Hipparion affine is recombined as Hippotherium affine'
'Hipparion occidentale is recombined as Hippotherium occidentale'
'Hipparion occidentale is recombined as Hippotherium occidentale' according to Cope 1892
'Hipparion occidentale is recombined as Hippotherium occidentale' according to Cope 1886
'Hipparion occidentale is recombined as Hippotherium occidentale' according to Wortman 1883
'Hipparion occidentale is recombined as Hippotherium occidentale' according to Lydekker 1882
'Hippidium interpolatum is recombined as Protohippus interpolatus'
'Merychippus mirabilis belongs to Merychippus'
'Merychippus mirabilis is recombined as Protohippus mirabilis' according to Gidley 1906
'Merychippus mirabilis is recombined as Protohippus mirabilis'
'Merychippus mirabilis is recombined as Protohippus mirabilis' according to Trouessart 1898
'Merychippus mirabilis is recombined as Protohippus mirabilis' according to Cope 1892
'Pliohippus is a subjective synonym of Protohippus'
'Pliohippus belongs to Equidae' according to Marsh 1874
'Pliohippus pernix belongs to Pliohippus' according to Roger 1896
'Pliohippus pernix is recombined as Hippidium pernix' according to Cope 1880
'Pliohippus pernix is recombined as Protohippus pernix'
'Pliohippus pernix belongs to Pliohippus' according to Matthew 1899
'Pliohippus pernix belongs to Pliohippus' according to Trouessart 1898
'Pliohippus pernix belongs to Pliohippus' according to Marsh 1897
'Protohippus fossulatus is recombined as Pliohippus fossulatus'
'Protohippus fossulatus is recombined as Pliohippus fossulatus' according to Matthew 1899
'Protohippus lenticularis is recombined as Neohipparion lenticularis'
'Protohippus lenticularis is recombined as Merychippus lenticularis' according to Trouessart 1905
'Protohippus lenticularis is recombined as Merychippus lenticularis' according to Cummins 1893