PBDB

Opinions from R. A. Stirton 1940

'Altippus is a subjective synonym of Miohippus'
'Altippus taxus is recombined as Miohippus taxus'
'Anchippus is a subjective synonym of Parahippus'
'Anchippus brevidens is recombined as Parahippus brevidens' according to Hay 1930
'Anchippus brevidens is recombined as Parahippus brevidens'
'Anchippus texanus is recombined as Parahippus texanus'
'Anchitherium belongs to Equidae'
'Anchitherium (Hypohippus) was reranked as Hypohippus and belongs to Equidae'
'Anchitherium (Hypohippus) affinis is recombined as Hypohippus affinis'
'Anchitherium (Parahippus) was reranked as Parahippus and belongs to Equidae'
'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 corrected as Anchitherium australis and belongs to Anchitherium'
'Anchitherium australe is recombined as Parahippus australis' according to Hay 1930
'Anchitherium brachylophus is recombined as Miohippus brachylophus'
'Anchitherium brachylophus is recombined as Miohippus brachylophus' according to Hay 1930
'Anchitherium celer is recombined as Mesohippus celer'
'Anchitherium clarencei [misspelled as Anchitherium clarenci] belongs to Anchitherium'
'Anchitherium condoni is recombined as Miohippus condoni'
'Anchitherium condoni is recombined as Miohippus condoni' according to Hay 1930
'Anchitherium cuneatum is recombined as Mesohippus cuneatus'
'Anchitherium equiceps is recombined as Miohippus equiceps'
'Anchitherium equiceps is recombined as Miohippus equiceps' according to Hay 1930
'Anchitherium equinum is recombined as Hypohippus equinus'
'Anchitherium exoletum is recombined as Mesohippus exoletus'
'Anchitherium gracilis is recombined as Epihippus (Epihippus) gracilis'
'Anchitherium longicristis is recombined as Miohippus longicristis'
'Anchitherium longicristis is recombined as Miohippus longicristis' according to Hay 1930
'Anchitherium longicristis is recombined as Miohippus longicristis' according to Trouessart 1898
'Anchitherium longicristis is recombined as Miohippus longicristis' according to Roger 1896
'Anchitherium longicristis is recombined as Miohippus longicristis' according to Scott 1895
'Anchitherium minimus is recombined as Archaeohippus minimus'
'Anchitherium praestans belongs to Anchitherium'
'Anchitherium praestans belongs to Anchitherium' according to Hay 1930
'Anchitherium ultimum is recombined as Archaeohippus ultimus'
'Anchitherium westoni is recombined as Mesohippus westoni'
'Archaeohippus belongs to Equidae'
'Archaeohippus nanus belongs to Archaeohippus'
'Archaeohippus penultimus belongs to Archaeohippus'
'Calippus martini is recombined as Pliohippus (Astrohippus) martini'
'Calippus regulus belongs to Calippus'
'Desmatippus is a subjective synonym of Parahippus'
'Desmatippus is a subjective synonym of Parahippus' according to Hay 1930
'Desmatippus is a subjective synonym of Anchitherium' according to Matthew 1899
'Desmatippus crenidens is recombined as Anchitherium crenidens' according to Matthew 1899
'Desmatippus crenidens is recombined as Parahippus crenidens'
'Desmatippus crenidens is recombined as Parahippus crenidens' according to Hay 1930
'Eohippus belongs to Equidae'
'Eohippus borealis belongs to Eohippus'
'Eohippus resartus belongs to Eohippus'
'Eohippus validus belongs to Eohippus'
'Eohippus venticolus belongs to Eohippus'
'Eohippus venticolus belongs to Eohippus' according to Hay 1930
'Epihippus belongs to Equidae'
'Epihippus belongs to Equidae' according to Hay 1930
'Epihippus belongs to Equidae' according to Matthew 1899
'Epihippus is a subjective synonym of Mesohippus' according to Trouessart 1898
'Epihippus is a subjective synonym of Pachynolophus' according to Roger 1896
'Epihippus (Duchesnehippus) belongs to Epihippus'
'Epihippus (Duchesnehippus) intermedius belongs to Epihippus (Duchesnehippus)'
'Epihippus (Epihippus) belongs to Epihippus'
'Epihippus parvus is recombined as Epihippus (Epihippus) parvus'
'Equus belongs to Equidae'
'Equus (Protohippus) is reassigned into Merychippus'
'Equus (Protohippus) perditus is recombined as Merychippus (Protohippus) perditus'
'Equus cumminsii is corrected as Equus cumminsi and belongs to Equus'
'Equus eurystylus is recombined as Neohipparion eurystyle'
'Equus eurystylus is recombined as Neohipparion eurystyle' according to Hesse 1936
'Equus idahoensis belongs to Equus'
'Equus minutus is a subjective synonym of Nannippus phlegon'
'Equus minutus is replaced by Nannippus phlegon' according to McGrew 1936
'Equus parvulus is recombined as Nannippus parvulus'
'Equus parvulus is recombined as Merychippus parvulus' according to Trouessart 1905
'Equus parvulus is a subjective synonym of Protohippus placidus' according to Trouessart 1898
'Equus parvulus is recombined as Mesohippus parvulus' according to Roger 1896
'Equus parvulus is recombined as Protohippus parvulus' according to Hay 1930
'Equus parvulus is recombined as Protohippus parvulus' according to Matthew 1899
'Equus parvulus belongs to Equus' according to Marsh 1868
'Equus phlegon is recombined as Nannippus phlegon'
'Equus phlegon is recombined as Nannippus phlegon' according to Hibbard 1937
'Equus phlegon is recombined as Nannippus phlegon' according to McGrew 1936
'Equus simplicidens belongs to Equus'
'Helohippus is a subjective synonym of Orohippus'
'Hipparion belongs to Equidae'
'Hipparion (Nannippus) was reranked as Nannippus and belongs to Equidae'
'Hipparion affine is recombined as Neohipparion affine'
'Hipparion anthonyi belongs to Hipparion'
'Hipparion coloradense is recombined as Neohipparion coloradense'
'Hipparion condoni belongs to Hipparion'
'Hipparion cragini is a subjective synonym of Neohipparion gratum' according to Hay 1914
'Hipparion cragini is a subjective synonym of Hipparion gratum' according to Calvin 1911
'Hipparion cragini belongs to Hipparion' according to Hay 1917
'Hipparion cragini is recombined as Nannippus cragini'
'Hipparion dolichops is recombined as Neohipparion dolichops'
'Hipparion dolichops belongs to Hipparion' according to Hay 1930
'Hipparion gratum is recombined as Nannippus gratus'
'Hipparion gratum is recombined as Nannippus gratus' according to McGrew 1936
'Hipparion minor is recombined as Nannippus minor'
'Hipparion mohavense belongs to Hipparion'
'Hipparion occidentale is recombined as Neohipparion occidentale'
'Hipparion occidentale is recombined as Neohipparion occidentale' according to Hesse 1940
'Hipparion occidentale is recombined as Neohipparion occidentale' according to J. Merriam 1911
'Hipparion occidentale is recombined as Neohipparion occidentale' according to Gidley 1906
'Hipparion occidentale is recombined as Neohipparion occidentale' according to Trouessart 1905
'Hipparion occidentale is recombined as Neohipparion occidentale' according to Gidley 1904
'Hipparion phosphorum is recombined as Neohipparion phosphorum'
'Hipparion platystyle belongs to Hipparion'
'Hipparion sanfondensis belongs to Hipparion' according to Frick 1933
'Neohipparion sanfondensis is a nomen nudum'
'Neohipparion sanjuanensis is a nomen nudum'
'Hipparion venustum is recombined as Nannippus venustus'
'Hipparion venustum is recombined as Neohipparion venustum' according to Trouessart 1905
'Hipparion venustum belongs to Hipparion' according to Hay 1930
'Hippidium interpolatum is recombined as Pliohippus (Pliohippus) interpolatus'
'Hippidium spectans is recombined as Pliohippus (Pliohippus) spectans'
'Hippidium spectans is recombined as Pliohippus spectans' according to Hay 1930
'Hippodon is a nomen dubium'
'Hippodon speciosus is a nomen dubium'
'Hippotherium calamarium is recombined as Merychippus (Merychippus) calamarius'
'Hippotherium ingenuum is recombined as Nannippus ingenuus'
'Hippotherium isonesum is recombined as Merychippus (Merychippus) isonesus'
'Hippotherium montezumae is recombined as Nannippus montezumae'
'Hippotherium paniense is recombined as Merychippus (Merychippus) paniensis'
'Hippotherium paniense is recombined as Merychippus paniensis' according to Hay 1930
'Hippotherium peninsulatum is recombined as Nannippus peninsulatus'
'Hippotherium plicatile is recombined as Hipparion plicatile'
'Hippotherium rectidens is recombined as Hipparion rectidens' according to Hay 1930
'Hippotherium rectidens is recombined as Neohipparion rectidens'
'Hippotherium rectidens is recombined as Neohipparion rectidens' according to Trouessart 1905
'Hippotherium relictum is recombined as Merychippus (Merychippus) relictus'
'Hippotherium relictum is recombined as Merychippus relictus' according to Hay 1930
'Hippotherium retrusum is recombined as Nannippus retrusus'
'Hippotherium retrusum is recombined as Protohippus retrusus' according to Hay 1930
'Hippotherium sinclairi is recombined as Neohipparion sinclairi'
'Hippotherium sinclairi is recombined as Neohipparion sinclairi' according to J. Merriam and Stock 1907
'Hippotherium sinclairi is recombined as Neohipparion sinclairi' according to Trouessart 1905
'Hippotherium sinclairi is recombined as Hipparion sinclairi' according to Hay 1930
'Hippotherium sphenodus is recombined as Merychippus (Merychippus) sphenodus'
'Hippotherium sphenodus is recombined as Merychippus sphenodus' according to Hay 1930
'Hypohippus (Drymohippus) nevadensis is recombined as Hypohippus nevadensis'
'Hypohippus avus is recombined as Anchitherium avus'
'Hypohippus avus belongs to Hypohippus' according to Schlaikjer 1935
'Hypohippus matthewi is recombined as Megahippus matthewi'
'Hypohippus osborni belongs to Hypohippus'
'Hypohippus pertinax belongs to Hypohippus'
'Hypohippus pertinax is recombined as Anchitherium pertinax' according to Simpson 1932
'Hyracotherium craspedotum is recombined as Eohippus craspedotus'
'Hyracotherium craspedotum is recombined as Eohippus craspedotus' according to Hay 1930
'Hyracotherium cristatum is recombined as Eohippus cristatus'
'Hyracotherium cristatum is recombined as Eohippus cristatus' according to Hay 1930
'Hyracotherium montanum is recombined as Eohippus montanus'
'Hyracotherium osbornianum is recombined as Orohippus osbornianus'
'Hyracotherium osbornianum is recombined as Orohippus osbornianus' according to Hay 1930
'Hyracotherium osbornianum is recombined as Orohippus osbornianus' according to Trouessart 1898
'Kalobatippus is a subjective synonym of Anchitherium'
'Kalobatippus is a subjective synonym of Anchitherium' according to Wehrli 1938
'Kalobatippus agatensis is recombined as Anchitherium agatensis'
'Lophiodon pumilus is recombined as Orohippus pumilus'
'Lophiotherium is a subjective synonym of Orohippus'
'Lophiotherium ballardi is recombined as Orohippus ballardi'
'Lophiotherium ballardi is recombined as Orohippus ballardi' according to Hay 1930
'Lophiotherium sylvaticum is recombined as Orohippus sylvaticus'
'Lophiotherium sylvaticum is recombined as Orohippus sylvaticus' according to Hay 1930
'Megahippus belongs to Equidae'
'Merychippus belongs to Equidae'
'Merychippus (Merychippus) belongs to Merychippus'
'Merychippus brevidontus is recombined as Merychippus (Merychippus) brevidontus'
'Merychippus californicus is recombined as Merychippus (Merychippus) californicus'
'Merychippus campestris is recombined as Merychippus (Protohippus) campestris'
'Merychippus (Merychippus) coalingensis is a nomen nudum'
'Merychippus coalingensis belongs to Merychippus' according to Clark 1921
'Merychippus eohipparion is recombined as Merychippus (Merychippus) eohipparion'
'Merychippus francisi is recombined as Merychippus (Merychippus) francisi'
'Merychippus gunteri is recombined as Merychippus (Merychippus) gunteri'
'Merychippus insignis is recombined as Merychippus (Merychippus) insignis'
'Merychippus intermontanus is recombined as Merychippus (Protohippus) intermontanus'
'Merychippus isonesus primus is recombined as Merychippus (Protohippus) primus'
'Merychippus isonesus quartus is recombined as Merychippus (Protohippus) quartus'
'Merychippus isonesus secundus is recombined as Merychippus (Protohippus) secundus'
'Merychippus isonesus tertius is recombined as Merychippus (Protohippus) tertius'
'Merychippus (Protohippus) mirabilis is a subjective synonym of Merychippus (Protohippus) perditus'
'Merychippus mirabilis belongs to Merychippus' according to Trouessart 1905
'Merychippus missouriensis is recombined as Merychippus (Merychippus) missouriensis'
'Merychippus patruus is recombined as Merychippus (Protohippus) patruus'
'Merychippus praecocidens is recombined as Merychippus (Merychippus) praecocidens'
'Merychippus republicanus is recombined as Merychippus (Merychippus) republicanus'
'Merychippus socius is a subjective synonym of Parahippus vellicans'
'Merychippus (Merychippus) stylodus is a nomen nudum'
'Merychippus sumani is recombined as Merychippus (Merychippus) sumani'
'Merychippus vellicans is recombined as Parahippus vellicans'
'Merychippus westoni is recombined as Merychippus (Merychippus) westoni'
'Mesohippus belongs to Equidae'
'Mesohippus acutidens is recombined as Miohippus acutidens'
'Mesohippus assiniboiensis belongs to Mesohippus'
'Mesohippus barbouri belongs to Mesohippus'
'Mesohippus brachystylus is recombined as Miohippus brachystylus'
'Mesohippus brachystylus is recombined as Miohippus brachystylus' according to Hay 1930
'Mesohippus eulophus belongs to Mesohippus'
'Mesohippus gidleyi is recombined as Miohippus gidleyi'
'Mesohippus gidleyi is recombined as Miohippus gidleyi' according to Hay 1930
'Mesohippus hypostylus belongs to Mesohippus'
'Mesohippus intermedius is recombined as Miohippus intermedius'
'Mesohippus latidens belongs to Mesohippus'
'Mesohippus meteulophus belongs to Mesohippus' according to Hay 1930
'Mesohippus meteulophus [misspelled as Miohippus metulophus] belongs to Miohippus'
'Mesohippus montanensis belongs to Mesohippus'
'Mesohippus obliquidens belongs to Mesohippus'
'Mesohippus planidens belongs to Mesohippus'
'Mesohippus portentus [misspelled as Mesohippus protentus] 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 [misspelled as Mesohippus tribonostylus] belongs to Mesohippus'
'Mesohippus validus is recombined as Miohippus validus'
'Mioclaenus etsagicus is recombined as Eohippus etsagicus'
'Mioclaenus etsagicus is recombined as Eohippus etsagicus' according to Hay 1930
'Miohippus belongs to Equidae'
'Miohippus belongs to Equidae' according to Hay 1930
'Miohippus annectens belongs to Miohippus'
'Miohippus annectens belongs to Miohippus' according to Hay 1930
'Miohippus annectens is recombined as Mesohippus annectens' according to Matthew 1899
'Miohippus blackbergi is recombined as Archaeohippus blackbergi'
'Miohippus crassicuspis belongs to Miohippus'
'Miohippus equinanus belongs to Miohippus'
'Miohippus gemmarosae belongs to Miohippus'
'Miohippus navasotae is recombined as Anchitherium navasotae'
'Miohippus primus belongs to Miohippus'
'Miohippus quartus belongs to Miohippus'
'Neohipparion belongs to Equidae'
'Neohipparion gidleyi belongs to Neohipparion'
'Neohipparion gratum tehonense is recombined as Nannippus tehonensis'
'Neohipparion leptode belongs to Neohipparion'
'Neohipparion leptode is recombined as Hipparion leptode' according to Hay 1930
'Neohipparion molle belongs to Neohipparion'
'Neohipparion molle is recombined as Hipparion molle' according to Hay 1930
'Neohipparion niobrarense is recombined as Nannippus niobrarensis'
'Neohipparion niobrarense is recombined as Protohippus niobrariensis' according to Hay 1930
'Neohipparion whitneyi belongs to Neohipparion'
'Orohippus belongs to Equidae'
'Orohippus agilis belongs to Orohippus'
'Orohippus angustidens is recombined as Eohippus angustidens'
'Orohippus major belongs to Orohippus'
'Orohippus major belongs to Orohippus' according to Hay 1930
'Orohippus typicus belongs to Orohippus'
'Orohippus typicus belongs to Orohippus' according to Hay 1930
'Orotherium cristonense is recombined as Eohippus cristonensis'
'Orotherium cristonense is recombined as Eohippus cristonensis' according to Hay 1930
'Orotherium index is recombined as Eohippus index'
'Orotherium index is recombined as Eohippus index' according to Hay 1930
'Orotherium uintanum is recombined as Orohippus uintanus'
'Orotherium uintanum is recombined as Orohippus uintanus' according to Hay 1930
'Palaeotherium bairdii [misspelled as Mesohippus bairdii] belongs to Mesohippus'
'Parahippus coloradensis belongs to Parahippus'
'Parahippus integer belongs to Parahippus'
'Parahippus leonensis belongs to Parahippus'
'Parahippus minutalis is recombined as Archaeohippus minutalis'
'Parahippus mourningi is recombined as Archaeohippus mourningi'
'Parahippus nebrascensis belongs to Parahippus'
'Parahippus pawniensis belongs to Parahippus'
'Parahippus pristinus belongs to Parahippus'
'Parahippus tyleri belongs to Parahippus' according to Hay 1930
'Parahippus tyleri belongs to Parahippus'
'Parahippus wyomingensis belongs to Parahippus'
'Pediohippus is a subjective synonym of Mesohippus'
'Pediohippus belongs to ' according to Schlaikjer 1935
'Pediohippus antiquus is recombined as Mesohippus antiquus'
'Plesippus is a subjective synonym of Equus'
'Plesippus shoshonensis is recombined as Equus shoshonensis'
'Pliohippus belongs to Equidae'
'Pliohippus (Astrohippus) belongs to Pliohippus'
'Pliohippus (Pliohippus) belongs to Pliohippus'
'Pliohippus edensis is recombined as Pliohippus (Pliohippus) edensis'
'Pliohippus (Pliohippus) fairbanksi is a subjective synonym of Pliohippus (Pliohippus) tantalus'
'Pliohippus francescana is recombined as Equus francescana'
'Pliohippus gracilis is recombined as Anchitherium gracilis'
'Pliohippus leidyanus is recombined as Pliohippus (Pliohippus) leidyanus'
'Pliohippus lullianus is recombined as Pliohippus (Pliohippus) lullianus'
'Pliohippus nobilis is recombined as Pliohippus (Pliohippus) nobilis'
'Pliohippus osborni is recombined as Pliohippus (Astrohippus) osborni'
'Pliohippus pernix is recombined as Pliohippus (Pliohippus) pernix'
'Pliohippus proversus is recombined as Equus proversus'
'Pliohippus robustus is recombined as Pliohippus (Pliohippus) robustus'
'Pliohippus robustus belongs to Pliohippus' according to Hay 1930
'Pliohippus robustus belongs to Pliohippus' according to Matthew 1899
'Pliohippus robustus belongs to Pliohippus' according to Trouessart 1898
'Pliohippus robustus belongs to Pliohippus' according to Roger 1896
'Pliohippus robustus is recombined as Hippidium robustus' according to Cope 1880
'Protohippus (Calippus) was reranked as Calippus and belongs to Equidae'
'Protohippus ansae is recombined as Pliohippus (Astrohippus) ansae'
'Protohippus avus is recombined as Parahippus avus'
'Protohippus avus is recombined as Parahippus avus' according to Hay 1930
'Protohippus castilli is recombined as Pliohippus (Pliohippus) castilli'
'Protohippus castilli belongs to Protohippus' according to Cope 1886
'Protohippus coalingensis is recombined as Pliohippus (Pliohippus) coalingensis'
'Protohippus coalingensis is recombined as Pliohippus coalingensis' according to Hay 1930
'Pliohippus (Pliohippus) fossulatus is a subjective synonym of Pliohippus (Pliohippus) pachyops'
'Protohippus fossulatus is recombined as Merychippus fossulatus' according to Trouessart 1905
'Protohippus lenticularis is recombined as Nannippus lenticularis'
'Protohippus pachyops is recombined as Pliohippus (Pliohippus) pachyops'
'Protohippus placidus is recombined as Calippus placidus'
'Protohippus profectus is recombined as Merychippus (Protohippus) profectus'
'Protohippus proplacidus is recombined as Merychippus (Protohippus) proplacidus'
'Protohippus sejunctus is recombined as Merychippus (Protohippus) sejunctus'
'Protohippus simus is recombined as Pliohippus (Pliohippus) simus'
'Protohippus supremus is recombined as Pliohippus (Pliohippus) supremus'
'Protohippus tantalus is recombined as Pliohippus (Pliohippus) tantalus'
'Protohippus tehonensis is recombined as Pliohippus (Pliohippus) tehonensis'
'Protorohippus is a subjective synonym of Eohippus'
'Protorohippus is a subjective synonym of Eohippus' according to Hay 1930
'Pseudhipparion is a subjective synonym of Nannippus'
'Pseudhipparion belongs to Equidae' according to Ameghino 1904
'Stylonus is a subjective synonym of Merychippus'
'Stylonus is a subjective synonym of Merychippus' according to Hay 1930
'Stylonus seversus is recombined as Merychippus (Merychippus) seversus'
'Stylonus seversus is recombined as Merychippus seversus' according to Hay 1930