PBDB

Opinions from H. F. Osborn 1918

'Altippus is a subjective synonym of Parahippus'
'Altippus taxus is recombined as Parahippus taxus'
'Anchippus is a subjective synonym of Parahippus'
'Anchippus brevidens is recombined as Parahippus brevidens'
'Anchippus texanus is recombined as Parahippus texanus'
'Anchitherium (Hypohippus) was reranked as Hypohippus and belongs to Equidae'
'Anchitherium (Hypohippus) affinis is recombined as Hypohippus affinis'
'Anchitherium (Hypohippus) affinis belongs to Anchitherium (Hypohippus)' according to Leidy 1858
'Anchitherium (Parahippus) cognatus is recombined as Parahippus cognatus'
'Anchitherium agreste is recombined as Parahippus agrestis'
'Anchitherium anceps is recombined as Miohippus anceps'
'Anchitherium australe is recombined as Parahippus australis'
'Anchitherium brachylophus is recombined as Miohippus brachylophus'
'Anchitherium brachylophus is recombined as Miohippus brachylophus' according to Trouessart 1898
'Anchitherium brachylophus is recombined as Miohippus brachylophus' according to Roger 1896
'Anchitherium brachylophus is recombined as Miohippus brachylophus' according to Scott 1895
'Anchitherium brachylophus belongs to Anchitherium' according to Cope 1879
'Anchitherium celer is recombined as Mesohippus celer'
'Miohippus condoni is a nomen dubium'
'Mesohippus cuneatus is a nomen dubium'
'Anchitherium equiceps is recombined as Miohippus equiceps'
'Anchitherium equiceps is recombined as Miohippus equiceps' according to Roger 1896
'Anchitherium equinum is recombined as Hypohippus equinus'
'Mesohippus exoletus is a nomen dubium'
'Anchitherium longicristis is a nomen dubium'
'Anchitherium minimus is recombined as Parahippus minimus'
'Anchitherium praestans is recombined as Kalobatippus praestans'
'Anchitherium westoni is recombined as Mesohippus westoni'
'Anchitherium westoni is recombined as Mesohippus westoni' according to Lambe 1905
'Archidiskodon is a subjective synonym of Euelephas'
'Archidiskodon belongs to ' according to Pohlig 1888
'Desmatippus is a subjective synonym of Parahippus'
'Desmatippus crenidens is recombined as Parahippus crenidens'
'Dibelodon is a subjective synonym of Rhynchotherium'
'Elephas (Euelephas) imperator is recombined as Euelephas imperator'
'Elephas columbi is recombined as Euelephas columbi'
'Elephas columbi belongs to Elephas' according to Falconer 1857
'Elephas meridionalis is recombined as Euelephas meridionalis'
'Elephas meridionalis belongs to Elephas' according to Osborn 1942
'Elephas meridionalis belongs to Elephas' according to Nesti 1825
'Equus (Protohippus) perditus is recombined as Protohippus perditus'
'Equus (Protohippus) perditus is recombined as Protohippus perditus' according to Matthew 1918
'Equus (Protohippus) perditus is recombined as Protohippus perditus' according to Cope and Matthew 1915
'Equus (Protohippus) perditus is recombined as Protohippus perditus' according to Gidley 1906
'Equus (Protohippus) perditus is recombined as Protohippus perditus' according to Matthew 1899
'Equus (Protohippus) perditus is recombined as Protohippus perditus' according to Trouessart 1898
'Equus (Protohippus) perditus is recombined as Protohippus perditus' according to Cope 1889
'Equus (Protohippus) perditus is recombined as Protohippus perditus' according to King 1878
'Equus (Protohippus) perditus is recombined as Protohippus perditus' according to Leidy 1869
'Equus cumminsii is recombined as Pliohippus cumminsii'
'Hipparion eurystyle is a nomen dubium'
'Equus minutus is recombined as Pliohippus minutus'
'Equus parvulus is recombined as Protohippus parvulus'
'Equus phlegon is recombined as Pliohippus phlegon'
'Equus simplicidens is recombined as Pliohippus simplicidens'
'Equus simplicidens is recombined as Pliohippus simplicidens' according to Merriam 1916
'Equus simplicidens is recombined as Pliohippus simplicidens' according to Trouessart 1905
'Eubelodon is a subjective synonym of Trilophodon'
'Hipparion affine belongs to Hipparion'
'Hipparion anthonyi belongs to Hipparion'
'Hipparion coloradense belongs to Hipparion'
'Hipparion condoni belongs to Hipparion'
'Hipparion dolichops belongs to Hipparion'
'Hipparion dolichops belongs to Hipparion' according to Gidley 1906
'Hipparion gratum belongs to Hipparion'
'Hipparion minor belongs to Hipparion'
'Hipparion mohavense belongs to Hipparion'
'Hipparion occidentale belongs to Hipparion'
'Hipparion platystyle belongs to Hipparion'
'Hipparion venustum belongs to Hipparion'
'Hipparion venustum belongs to Hipparion' according to Trouessart 1898
'Hipparion venustum belongs to Hipparion' according to Roger 1896
'Hipparion venustum belongs to Hipparion' according to Leidy 1869
'Hipparitherium is a subjective synonym of Hipparion'
'Hippidium interpolatum is recombined as Pliohippus interpolatus'
'Hippidium interpolatum is recombined as Pliohippus interpolatus' according to Trouessart 1905
'Hippidium spectans is recombined as Pliohippus spectans'
'Hippodon is a nomen nudum'
'Hippodon speciosus is recombined as Hipparion speciosum' according to Cope and Matthew 1915
'Hippodon speciosus is recombined as Hipparion speciosum' according to Matthew 1889
'Hippodon speciosus is recombined as Hipparion speciosum' according to Trouessart 1898
'Hippodon speciosus is recombined as Hipparion speciosum' according to Roger 1896
'Hippodon speciosus is recombined as Hipparion speciosum' according to Marsh 1874
'Hippodon speciosus is recombined as Hipparion speciosum' according to Leidy 1869
'Hippodon speciosus is a nomen nudum'
'Hippodon speciosus is recombined as Merychippus speciosum' according to Cope and Matthew 1915
'Hippodon speciosus is recombined as Neohipparion speciosum' according to Hay 1914
'Hippodon speciosus is recombined as Hippotherium speciosum' according to Cope 1887
'Hippodon speciosus is recombined as Hippotherium speciosum' according to Wortman 1883
'Hippodon speciosus is recombined as Hippotherium speciosum' according to Cope 1875
'Hippotherium is a subjective synonym of Hipparion'
'Hippotherium calamarium is recombined as Merychippus calamarius'
'Hippotherium ingenuum is recombined as Hipparion ingenuum'
'Hippotherium ingenuum is recombined as Hipparion ingenuum' according to Spencer 1895
'Hippotherium ingenuum is a subjective synonym of Hippotherium gratum' according to F. Lucas 1896
'Hippotherium isonesum is recombined as Merychippus isonesus'
'Hippotherium isonesum is recombined as Neohipparion isonesum' according to Trouessart 1905
'Hippotherium isonesum is recombined as Hipparion isonesum' according to Trouessart 1898
'Hippotherium isonesum is recombined as Hipparion isonesum' according to Matthew 1899
'Hippotherium montezumae is recombined as Hipparion montezuma' according to Matthew 1899
'Hippotherium montezumae is recombined as Hipparion montezuma' according to Trouessart 1898
'Hippotherium montezumae is recombined as Hipparion montezuma' according to Roger 1896
'Hippotherium montezumae is recombined as Hipparion montezuma'
'Hippotherium paniense is recombined as Merychippus paniensis'
'Hippotherium paniense is recombined as Hipparion paniensis' according to Matthew 1899
'Hippotherium paniense is recombined as Hipparion paniensis' according to Trouessart 1898
'Hippotherium paniense is recombined as Hipparion paniensis' according to Roger 1896
'Hippotherium paniense belongs to Hippotherium' according to Cope 1894
'Hippotherium peninsulatum is recombined as Hipparion peninsulatum'
'Hippotherium peninsulatum is recombined as Hipparion peninsulatum' according to Matthew 1899
'Hippotherium peninsulatum is recombined as Hipparion peninsulatum' according to Trouessart 1898
'Hippotherium peninsulatum is recombined as Hipparion peninsulatum' according to Roger 1896
'Hippotherium peninsulatum is recombined as Hipparion peninsulatum' according to Felix and Lenk 1891
'Hippotherium peninsulatum belongs to Hippotherium' according to Cope 1885
'Hippotherium plicatile is recombined as Hipparion plicatile' according to Trouessart 1898
'Hippotherium plicatile is recombined as Hipparion plicatile' according to Roger 1896
'Hippotherium plicatile is recombined as Hipparion plicatile' according to Spencer 1895
'Hippotherium plicatile is recombined as Hipparion plicatile'
'Hippotherium plicatile is recombined as Hipparion plicatile' according to Sellards 1913
'Hippotherium princeps is a subjective synonym of Equus fraternus'
'Hippotherium princeps is a nomen dubium' according to F. Lucas 1896
'Hippotherium princeps is recombined as Hipparion princeps' according to Roger 1896
'Hippotherium rectidens is recombined as Hipparion rectidens'
'Hippotherium rectidens is recombined as Hipparion rectidens' according to Trouessart 1898
'Hippotherium rectidens is recombined as Hipparion rectidens' according to Roger 1896
'Hippotherium relictum is recombined as Merychippus relictus'
'Hippotherium retrusum is recombined as Protohippus retrusus'
'Hippotherium sinclairi is recombined as Hipparion sinclairi'
'Hippotherium sinclairi is recombined as Hipparion sinclairi' according to Matthew 1889
'Hippotherium sinclairi is recombined as Hipparion sinclairi' according to Trouessart 1898
'Hippotherium sinclairi is recombined as Hipparion sinclairi' according to Roger 1896
'Hippotherium sphenodus is recombined as Merychippus sphenodus'
'Hypohippus (Drymohippus) is an invalid subgroup of Hypohippus'
'Hypohippus (Drymohippus) nevadensis is recombined as Hypohippus nevadensis'
'Hypohippus matthewi is recombined as Megahippus matthewi'
'Hypohippus osborni belongs to Hypohippus'
'Kalobatippus agatensis belongs to Kalobatippus'
'Mastodon belongs to '
'Mastodon belongs to ' according to Cuvier 1817
'Mastodon (Tetralophodon) mirificus is recombined as Tetralophodon mirificus'
'Mastodon (Tetralophodon) mirificus is recombined as Rhabdobunus mirificus' according to Hay 1914
'Mastodon morrilli is recombined as Trilophodon morrilli'
'Mastodon shepardii is recombined as Rhynchotherium shepardi'
'Mastodon shepardii belongs to Mastodon' according to Leidy 1871
'Merychippus californicus belongs to Merychippus'
'Merychippus campestris belongs to Merychippus'
'Merychippus eohipparion belongs to Merychippus'
'Merychippus eoplacidus belongs to Merychippus'
'Merychippus insignis belongs to Merychippus' according to Trouessart 1905
'Merychippus insignis belongs to Merychippus' according to Osborn 1898
'Merychippus insignis belongs to Merychippus' according to Leidy 1880
'Merychippus insignis belongs to Merychippus'
'Merychippus insignis belongs to Merychippus' according to Matthew 1918
'Merychippus insignis belongs to Merychippus' according to Sellards 1916
'Merychippus insignis belongs to Merychippus' according to Matthew and Cook 1909
'Merychippus insignis belongs to Merychippus' according to Gidley 1908
'Merychippus intermontanus belongs to Merychippus'
'Merychippus isonesus primus belongs to Merychippus isonesus'
'Merychippus isonesus quartus belongs to Merychippus isonesus'
'Merychippus isonesus quintus belongs to Merychippus isonesus'
'Merychippus isonesus secundus belongs to Merychippus isonesus'
'Merychippus isonesus tertius belongs to Merychippus isonesus'
'Merychippus mirabilis is recombined as Pliohippus mirabilis'
'Merychippus mirabilis is recombined as Pliohippus mirabilis' according to Matthew 1918
'Merychippus mirabilis is recombined as Pliohippus mirabilis' according to Matthew 1899
'Merychippus missouriensis belongs to Merychippus'
'Merychippus patruus belongs to Merychippus'
'Merychippus proparvulus belongs to Merychippus'
'Merychippus republicanus belongs to Merychippus'
'Merychippus stylodus is a nomen nudum'
'Merychippus sumani belongs to Merychippus'
'Merychippus sumani is a subjective synonym of Merychippus calamarius' according to J. Merriam 1915
'Mesohippus acutidens is recombined as Miohippus acutidens'
'Mesohippus assiniboiensis belongs to Mesohippus'
'Mesohippus brachystylus is recombined as Miohippus brachystylus'
'Mesohippus copei is recombined as Colodon copei'
'Mesohippus eulophus belongs to Mesohippus'
'Mesohippus gidleyi is recombined as Miohippus gidleyi'
'Mesohippus hypostylus belongs to Mesohippus'
'Mesohippus intermedius is recombined as Miohippus intermedius'
'Mesohippus latidens belongs to Mesohippus'
'Mesohippus meteulophus is recombined as Miohippus meteulophus'
'Mesohippus montanensis belongs to Mesohippus'
'Mesohippus obliquidens belongs to Mesohippus'
'Mesohippus planidens belongs to Mesohippus'
'Mesohippus portentus belongs to Mesohippus'
'Mesohippus praecocidens belongs to Mesohippus'
'Mesohippus propinquus belongs to Mesohippus'
'Mesohippus proteulophus belongs to Mesohippus'
'Mesohippus stenolophus belongs to Mesohippus'
'Mesohippus trigonostylus belongs to Mesohippus'
'Mesohippus validus is recombined as Miohippus validus'
'Miohippus belongs to Equidae'
'Miohippus is a subjective synonym of Mesohippus' according to Matthew 1899
'Miohippus belongs to Equidae' according to Marsh 1874
'Miohippus annectens belongs to Miohippus'
'Miohippus crassicuspis belongs to Miohippus'
'Miohippus equinanus belongs to Miohippus'
'Miohippus gemmarosae belongs to Miohippus'
'Miohippus primus belongs to Miohippus'
'Miohippus quartus belongs to Miohippus'
'Neohipparion is a subjective synonym of Hipparion'
'Neohipparion gidleyi is recombined as Hipparion gidleyi'
'Neohipparion gratum tehonense belongs to Neohipparion gratum' according to Merriam 1916
'Neohipparion gratum tehonense is recombined as Hipparion gratum tehonense'
'Neohipparion leptode is recombined as Hipparion leptode'
'Neohipparion molle is recombined as Hipparion molle'
'Neohipparion niobrarense is recombined as Protohippus niobrarensis'
'Neohipparion niobrarense belongs to Neohipparion' according to Gidley 1906
'Neohipparion whitneyi is recombined as Hipparion whitneyi' according to Matthew 1917
'Neohipparion whitneyi is recombined as Hipparion whitneyi' according to Matthew 1913
'Neohipparion whitneyi is recombined as Hipparion whitneyi'
'Palaeotherium bairdii is recombined as Mesohippus bairdii'
'Palaeotherium bairdii is recombined as Miohippus bairdii' according to Scott 1891
'Palaeotherium bairdii is recombined as Kalobatippus bairdii' according to Joleaud 1919
'Palaeotherium bairdii is recombined as Anchitherium bairdii' according to Leidy 1869
'Palaeotherium bairdii is recombined as Anchitherium bairdii' according to Leidy 1852
'Parahippus coloradensis belongs to Parahippus'
'Parahippus coloradensis praecurrens belongs to Parahippus coloradensis'
'Parahippus leonensis belongs to Parahippus'
'Parahippus mourningi is recombined as Archaeohippus mourningi'
'Parahippus nebrascensis belongs to Parahippus'
'Parahippus nebrascensis primus belongs to Parahippus nebrascensis'
'Parahippus pawniensis belongs to Parahippus'
'Parahippus pawniensis atavus belongs to Parahippus pawniensis'
'Parahippus pristinus belongs to Parahippus'
'Parahippus tyleri belongs to Parahippus'
'Parahippus tyleri belongs to Parahippus' according to Sellards 1916
'Parahippus tyleri is a subjective synonym of Parahippus nebrascensis' according to Cook 1912
'Pliohippus fairbanksi belongs to Pliohippus'
'Pliohippus gracilis is recombined as Kalobatippus gracilis'
'Pliohippus leidyanus belongs to Pliohippus'
'Pliohippus lullianus belongs to Pliohippus'
'Pliohippus nobilis belongs to Pliohippus'
'Pliohippus pernix belongs to Pliohippus' according to Trouessart 1905
'Pliohippus pernix belongs to Pliohippus'
'Pliohippus proversus belongs to Pliohippus'
'Pliohippus robustus belongs to Pliohippus'
'Protohippus avus is recombined as Parahippus avus'
'Protohippus avus is recombined as Merychippus avus' according to Trouessart 1905
'Protohippus castilli belongs to Protohippus'
'Protohippus coalingensis is recombined as Pliohippus coalingensis'
'Protohippus fossulatus is recombined as Pliohippus fossulatus'
'Protohippus labrosus is recombined as Merychippus labrosus'
'Protohippus labrosus is recombined as Merychippus labrosus' according to Cope and Matthew 1915
'Protohippus labrosus is a subjective synonym of Protohippus perditus' according to Matthew 1899
'Protohippus lenticularis is recombined as Hipparion lenticulare'
'Protohippus lenticularis is recombined as Hipparion lenticulare' according to Matthew 1918
'Protohippus pachyops belongs to Protohippus'
'Protohippus perditus secundus belongs to Protohippus perditus'
'Protohippus placidus belongs to Protohippus'
'Protohippus profectus belongs to Protohippus'
'Protohippus profectus is a subjective synonym of Merychippus perditus' according to Hay 1902
'Protohippus profectus belongs to Protohippus' according to Cope 1889
'Protohippus proplacidus belongs to Protohippus'
'Protohippus sejunctus is recombined as Merychippus sejunctus'
'Protohippus sejunctus is recombined as Merychippus sejunctus' according to Trouessart 1905
'Protohippus simus belongs to Protohippus'
'Protohippus supremus belongs to Protohippus' according to Roger 1896
'Protohippus supremus is a subjective synonym of Pliohippus mirabilis' according to Trouessart 1905
'Protohippus supremus is a subjective synonym of Pliohippus mirabilis' according to Matthew 1899
'Protohippus supremus belongs to Protohippus' according to Leidy 1869
'Protohippus supremus is recombined as Pliohippus supremus'
'Protohippus supremus belongs to Protohippus' according to Gidley 1906
'Protohippus tantalus is recombined as Pliohippus tantalus'
'Protohippus tehonensis belongs to Protohippus'
'Rhabdobunus is a subjective synonym of Tetralophodon'
'Rhabdobunus belongs to ' according to Hay 1914
'Stylonus is a subjective synonym of Hipparion' according to Matthew 1889
'Stylonus is a subjective synonym of Hipparion' according to Trouessart 1898
'Stylonus is a subjective synonym of Hippotherium' according to Cope 1889
'Stylonus is a subjective synonym of Hippotherium' according to Cope 1886
'Stylonus is a subjective synonym of Hippotherium' according to Wortman 1883
'Stylonus is a subjective synonym of Merychippus'
'Stylonus is a subjective synonym of Merychippus' according to Gidley 1907
'Stylonus is a subjective synonym of Neohipparion' according to Trouessart 1905
'Stylonus is a subjective synonym of Hipparion' according to Hay 1902
'Stylonus seversus is recombined as Merychippus seversus'
'Stylonus seversus is recombined as Neohipparion seversus' according to Trouessart 1905
'Stylonus seversus is recombined as Hipparion seversus' according to Matthew 1889
'Stylonus seversus is recombined as Hipparion seversus' according to Trouessart 1898
'Stylonus seversus is recombined as Hippotherium seversus' according to Cope 1886
'Stylonus seversus is recombined as Hippotherium seversus' according to Wortman 1883
'Tetrabelodon lulli is recombined as Trilophodon lulli'
'Tetrabelodon lulli is recombined as Megabelodon lulli' according to Osborn 1942
'Tetrabelodon lulli is recombined as Megabelodon lulli' according to Osborn 1936
'Tetrabelodon lulli is recombined as Megabelodon lulli' according to Barbour 1934
'Tetrabelodon lulli belongs to Tetrabelodon' according to Barbour 1914