PBDB

Opinions from B. J. MacFadden 1998

'Anchippus is a subjective synonym of Desmatippus'
'Anchippus brevidens is a subjective synonym of Desmatippus avus'
'Anchippus texanus is recombined as Desmatippus texanus'
'Anchitheridae was reranked as the subfamily Anchitheriinae and belongs to Equidae'
'Anchitherium belongs to Anchitheriinae'
'Anchitherium (Hypohippus) was reranked as Hypohippus and belongs to Anchitheriinae'
'Anchitherium (Hypohippus) affinis is recombined as Hypohippus affinis'
'Anchitherium (Parahippus) was reranked as Parahippus and belongs to Anchitheriinae'
'Anchitherium (Parahippus) cognatus is recombined as Parahippus cognatus'
'Anchitherium agreste is recombined as Parahippus agrestis'
'Anchitherium australe is recombined as Kalobatippus australis'
'Anchitherium celer is recombined as Mesohippus celer'
'Anchitherium clarencei is recombined as Kalobatippus clarencei'
'Anchitherium clarencei belongs to Anchitherium' according to J. Bryant 1991
'Anchitherium equinum is recombined as Hypohippus equinus'
'Anchitherium exoletum is recombined as Mesohippus exoletus'
'Anchitherium gracilis is recombined as Epihippus gracilis'
'Anchitherium minimus is recombined as Archaeohippus minimus'
'Anchitherium praestans is recombined as Kalobatippus praestans'
'Anchitherium ultimum is recombined as Archaeohippus ultimus'
'Anchitherium westoni is recombined as Mesohippus westoni'
'Archaeohippus belongs to Anchitheriinae'
'Archaeohippus penultimus belongs to Archaeohippus'
'Equus pons is a subjective synonym of Equus (Dolichohippus) simplicidens'
'Astrohippus curtivallis is recombined as Pseudhipparion curtivallum'
'Calippus (Calippus) elachistus is recombined as Calippus elachistus'
'Calippus (Grammohippus) cerasinus is recombined as Calippus cerasinus'
'Calippus (Grammohippus) maccartyi is recombined as Calippus maccartyi'
'Calippus martini belongs to Calippus'
'Calippus optimus is a subjective synonym of Calippus placidus'
'Calippus regulus belongs to Calippus'
'Cormohipparion belongs to Hipparionini'
'Cormohipparion emsliei belongs to Cormohipparion'
'Cormohipparion goorisi is recombined as Merychippus goorisi'
'Desmatippus belongs to Anchitheriinae'
'Desmatippus crenidens belongs to Desmatippus'
'Dinohippus belongs to Equini'
'Dinohippus subvenus belongs to Dinohippus'
'Eoequus is a subjective synonym of Protohippus'
'Eoequus wilsoni is a subjective synonym of Protohippus perditus'
'Eohippus is a subjective synonym of Hyracotherium'
'Eohippus pernix is recombined as Hyracotherium pernix'
'Epihippus belongs to Hyracotheriinae'
'Duchesnehippus is a subjective synonym of Epihippus'
'Epihippus (Duchesnehippus) intermedius is recombined as Epihippus intermedius'
'Equinae belongs to Equidae'
'Equini belongs to Equinae'
'Equus belongs to Equini'
'Equus calobatus is a subjective synonym of Equus (Dolichohippus) simplicidens'
'Equus (Protohippus) was reranked as Protohippus and belongs to Equini'
'Equus (Protohippus) perditus is recombined as Protohippus perditus'
'Equus achates is a subjective synonym of Equus (Dolichohippus) simplicidens'
'Equus cumminsi is a subjective synonym of Equus (Dolichohippus) simplicidens'
'Equus eurystylus is recombined as Neohipparion eurystyle'
'Equus laparensis is a subjective synonym of Calippus martini'
'Equus occidentalis is a subjective synonym of Equus (Dolichohippus) simplicidens'
'Nannippus phlegon is a subjective synonym of Nannippus peninsulatus'
'Equus scotti belongs to Equus'
'Equus simplicidens is recombined as Equus (Dolichohippus) simplicidens'
'Equus tau is a subjective synonym of Equus (Dolichohippus) simplicidens'
'Griphippus is a subjective synonym of Pseudhipparion'
'Haplohippus belongs to Hyracotheriinae'
'Haplohippus texanus belongs to Haplohippus'
'Hesperohipparion is a subjective synonym of Neohipparion'
'Hesperohipparion stirtoni is a subjective synonym of Neohipparion eurystyle'
'Hipparion belongs to Hipparionini'
'Hipparion (Nannippus) was reranked as Nannippus and belongs to Hipparionini'
'Hipparion affine is recombined as Neohipparion affine'
'Hipparion coloradense is recombined as Merychippus coloradense'
'Neohipparion dolichops is a subjective synonym of Neohipparion affine'
'Hipparion forcei belongs to Hipparion'
'Hipparion gratum is recombined as Pseudhipparion gratum'
'Hipparion minor is recombined as Nannippus minor'
'Hipparion mohavense is a subjective synonym of Cormohipparion occidentale'
'Hipparion occidentale is recombined as Cormohipparion occidentale'
'Neohipparion phosphorum is a subjective synonym of Neohipparion eurystyle'
'Hipparion sanfondensis is a subjective synonym of Merychippus coloradense'
'Hipparion shirleyi is corrected as Hipparion shirleyae and belongs to Hipparion'
'Hipparion trampasense is recombined as Neohipparion trampasense'
'Hipparionini belongs to Equinae'
'Hippidion belongs to Equini'
'Hippidium interpolatum is recombined as Dinohippus interpolatus'
'Hippidium spectans is recombined as Pliohippus spectans'
'Hippotherium speciosum is a subjective synonym of Neohipparion affine'
'Hippotherium is a subjective synonym of Hipparion'
'Hippotherium calamarium is recombined as Merychippus calamarius'
'Hippotherium ingenuum is recombined as Nannippus ingenuus'
'Hippotherium isonesum is recombined as Merychippus isonesus'
'Nannippus montezumae is a subjective synonym of Nannippus peninsulatus'
'Hippotherium peninsulatum is recombined as Nannippus peninsulatus'
'Hippotherium plicatile is recombined as Cormohipparion plicatile'
'Hippotherium relictum is recombined as Merychippus relictus'
'Hippotherium retrusum is recombined as Pseudhipparion retrusum'
'Hippotherium sphenodus is recombined as Cormohipparion sphenodus'
'Hippotigris sellardsi is a subjective synonym of Protohippus supremus'
'Hypohippus (Drymohippus) nevadensis is recombined as Hypohippus nevadensis'
'Hypohippus avus is recombined as Kalobatippus avus'
'Hypohippus chico belongs to Hypohippus'
'Hypohippus matthewi is recombined as Megahippus matthewi'
'Hypohippus osborni belongs to Hypohippus'
'Hyracotheriinae belongs to Equidae'
'Hyracotherium belongs to Hyracotheriinae'
'Hyracotherium aemulor belongs to Hyracotherium'
'Hyracotherium cristatum belongs to Hyracotherium'
'Hyracotherium grangeri belongs to Hyracotherium'
'Hyracotherium sandrae belongs to Hyracotherium'
'Hyracotherium seekinsi belongs to Hyracotherium'
'Kalobatippus belongs to Anchitheriinae'
'Kalobatippus agatensis belongs to Kalobatippus'
'Lophiodon pumilus is recombined as Orohippus pumilus'
'Lophiotherium sylvaticum is recombined as Orohippus sylvaticus'
'Lophiotherium vasacciense is recombined as Hyracotherium vasacciense'
'Megahippus belongs to Anchitheriinae'
'Megahippus mckennai belongs to Megahippus'
'Merychippus belongs to Equinae'
'Merychippus brevidontus belongs to Merychippus'
'Merychippus calamarius stylodontus is recombined as Merychippus stylodontus'
'Merychippus californicus belongs to Merychippus'
'Merychippus campestris is a subjective synonym of Pliohippus mirabilis'
'Merychippus carrizoensis belongs to Merychippus'
'Calippus francisi is a subjective synonym of Calippus proplacidus'
'Merychippus gunteri belongs to Merychippus'
'Merychippus insignis belongs to Merychippus'
'Merychippus intermontanus belongs to Merychippus'
'Merychippus isonesus primus is recombined as Merychippus primus'
'Merychippus isonesus tertius is recombined as Merychippus tertius'
'Merychippus mirabilis is recombined as Pliohippus mirabilis'
'Merychippus republicanus belongs to Merychippus'
'Merychippus stylodus is a subjective synonym of Merychippus sumani'
'Merychippus sumani belongs to Merychippus'
'Merychippus tehachapiensis is a subjective synonym of Merychippus carrizoensis'
'Parahippus vellicans is a subjective synonym of Parahippus leonensis'
'Merychippus westoni is recombined as Nannippus westoni'
'Mesohippus belongs to Anchitheriinae'
'Mesohippus assiniboiensis is recombined as Miohippus assiniboiensis'
'Mesohippus barbouri belongs to Mesohippus'
'Mesohippus brachystylus is a subjective synonym of Miohippus obliquidens'
'Mesohippus eulophus is a subjective synonym of Miohippus obliquidens'
'Mesohippus gidleyi is recombined as Miohippus gidleyi'
'Mesohippus grallipes is a subjective synonym of Miohippus gidleyi'
'Mesohippus grandis belongs to Mesohippus'
'Mesohippus hypostylus is a subjective synonym of Mesohippus bairdii'
'Mesohippus intermedius is recombined as Miohippus intermedius'
'Mesohippus latidens belongs to Mesohippus'
'Mesohippus meteulophus is a subjective synonym of Miohippus obliquidens'
'Mesohippus montanensis is a subjective synonym of Mesohippus westoni'
'Mesohippus obliquidens is recombined as Miohippus obliquidens'
'Mesohippus planidens is a subjective synonym of Miohippus assiniboiensis'
'Mesohippus praecocidens is a subjective synonym of Mesohippus westoni'
'Mesohippus propinquus belongs to Mesohippus'
'Mesohippus stenolophus is recombined as Archaeohippus stenolophus'
'Mesohippus texanus belongs to Mesohippus'
'Mesohippus trigonostylus is a subjective synonym of Mesohippus exoletus'
'Miohippus validus is a subjective synonym of Miohippus gidleyi'
'Miohippus belongs to Anchitheriinae'
'Miohippus annectens belongs to Miohippus'
'Miohippus blackbergi is recombined as Archaeohippus blackbergi'
'Miohippus crassicuspis is a subjective synonym of Miohippus annectens'
'Miohippus equinanus belongs to Miohippus'
'Miohippus gemmarosae belongs to Miohippus'
'Miohippus navasotae is recombined as Kalobatippus navasotae'
'Nannippus aztecus is a subjective synonym of Nannippus minor'
'Nannippus beckensis belongs to Nannippus'
'Nannippus hesperides is a subjective synonym of Nannippus peninsulatus'
'Nannippus morgani belongs to Nannippus'
'Neohipparion belongs to Hipparionini'
'Neohipparion arellanoi is a subjective synonym of Neohipparion eurystyle'
'Neohipparion floresi is a subjective synonym of Neohipparion eurystyle'
'Neohipparion gidleyi belongs to Neohipparion'
'Neohipparion gratum tehonense is recombined as Hipparion tehonense'
'Neohipparion leptode belongs to Neohipparion'
'Neohipparion molle is a subjective synonym of Neohipparion eurystyle'
'Neohipparion monias is a subjective synonym of Neohipparion eurystyle'
'Neohipparion whitneyi is a subjective synonym of Neohipparion affine'
'Onohippidium belongs to Equini'
'Onohippidium galushai belongs to Onohippidium'
'Orohippus belongs to Hyracotheriinae'
'Orohippus agilis belongs to Orohippus'
'Orohippus angustidens is recombined as Hyracotherium angustidens'
'Orohippus major belongs to Orohippus'
'Orohippus progressus belongs to Orohippus'
'Orohippus proteros belongs to Orohippus'
'Orohippus tapirinus is recombined as Hyracotherium tapirinum'
'Orohippus uintensis is recombined as Epihippus uintensis'
'Orotherium index is recombined as Hyracotherium index'
'Palaeotherium bairdii is recombined as Mesohippus bairdii'
'Parahippus barbouri is a subjective synonym of Parahippus leonensis'
'Parahippus coloradensis belongs to Parahippus'
'Parahippus integer is recombined as Desmatippus integer'
'Parahippus leonensis belongs to Parahippus'
'Parahippus mourningi is recombined as Archaeohippus mourningi'
'Parahippus nebrascensis is recombined as Desmatippus nebrascensis'
'Parahippus pawniensis belongs to Parahippus'
'Parahippus pristinus belongs to Parahippus'
'Parahippus tyleri is recombined as Desmatippus tyleri'
'Parahippus wyomingensis belongs to Parahippus'
'Pediohippus is a subjective synonym of Miohippus'
'Plesippus is a subjective synonym of Equus'
'Equus shoshonensis is a subjective synonym of Equus (Dolichohippus) simplicidens'
'Pliohippus belongs to Equini'
'Pliohippus (Astrohippus) was reranked as Astrohippus and belongs to Equini'
'Pliohippus (Astrohippus) stockii is recombined as Astrohippus stockii'
'Pliohippus (Pliohippus) mexicanus is recombined as Dinohippus mexicanus'
'Pliohippus bakeri belongs to Pliohippus'
'Pliohippus circulus is recombined as Calippus circulus'
'Pliohippus edensis is recombined as Dinohippus edensis'
'Pliohippus fairbanksi belongs to Pliohippus'
'Pliohippus gracilis is recombined as Kalobatippus gracilis'
'Pliohippus hondurensis is recombined as Calippus hondurensis'
'Pliohippus leardi is a subjective synonym of Pliohippus fairbanksi'
'Pliohippus leidyanus is recombined as Dinohippus leidyanus'
'Pliohippus nobilis belongs to Pliohippus'
'Pliohippus osborni is recombined as Dinohippus osborni'
'Pliohippus pernix belongs to Pliohippus'
'Protohippus (Calippus) was reranked as Calippus and belongs to Equini'
'Protohippus ansae is recombined as Astrohippus ansae'
'Protohippus avus is recombined as Desmatippus avus'
'Calippus castilli is a subjective synonym of Calippus hondurensis'
'Protohippus coalingensis is recombined as Pliohippus coalingensis'
'Protohippus fossulatus is recombined as Pliohippus fossulatus'
'Protohippus gidleyi belongs to Protohippus'
'Hipparion lenticulare is a subjective synonym of Hipparion tehonense'
'Protohippus pachyops is recombined as Dinohippus pachyops'
'Protohippus placidus is recombined as Calippus placidus'
'Protohippus profectus is a subjective synonym of Protohippus perditus'
'Protohippus proplacidus is recombined as Calippus proplacidus'
'Protohippus sejunctus is recombined as Merychippus sejunctus'
'Protohippus simus is a subjective synonym of Protohippus supremus'
'Protohippus supremus belongs to Protohippus'
'Pliohippus tantalus is a subjective synonym of Pliohippus fairbanksi'
'Pliohippus tehonensis is a subjective synonym of Pliohippus fairbanksi'
'Protohippus vetus belongs to Protohippus'
'Pseudhipparion belongs to Hipparionini'
'Pseudhipparion hessei belongs to Pseudhipparion'
'Pseudhipparion simpsoni belongs to Pseudhipparion'
'Pseudhipparion skinneri belongs to Pseudhipparion'
'Stylonus seversus is recombined as Merychippus seversus'
'Xenicohippus belongs to Hyracotheriinae'
'Xenicohippus grangeri belongs to Xenicohippus'
'Xenicohippus osborni belongs to Xenicohippus'