PBDB

Opinions from T. S. Kelly 1995

'Acritohippus belongs to Equinae'
'Acritohippus quinni belongs to Acritohippus'
'Cormohipparion belongs to Hipparionini'
'Cormohipparion goorisi is recombined as Merychippus goorisi'
'Dinohippus belongs to Equini'
'Equinae belongs to Equidae'
'Equini belongs to Equinae'
'Equus belongs to Equini'
'Equus (Protohippus) was reranked as Protohippus and belongs to Protohippini'
'Equus cumminsii belongs to Equus'
'Equus simplicidens belongs to Equus'
'Heteropliohippus belongs to Equini'
'Heteropliohippus hulberti belongs to Heteropliohippus'
'Hipparion belongs to Hipparionini'
'Hipparion (Nannippus) was reranked as Nannippus and belongs to Hipparionini'
'Hipparion coloradense is recombined as Merychippus coloradense'
'Hipparion shirleyi is corrected as Hipparion shirleyae and belongs to Hipparion'
'Hipparionini belongs to Equinae'
'Hippidion belongs to Equini'
'Hippidium interpolatum is recombined as Dinohippus interpolatus'
'Hippidium spectans is recombined as Dinohippus spectans'
'Hippotherium calamarium is recombined as Merychippus calamarius'
'Hippotherium calamarium is recombined as Merychippus calamarius' according to Hay 1930
'Hippotherium isonesum is recombined as Acritohippus isonesus'
'Merychippus belongs to Hipparionini'
'Merychippus calamarius stylodontus is recombined as Merychippus stylodontus'
'Merychippus calamarius stylodontus is recombined as Stylonus stylodontus' according to Kelly 1992
'Merychippus californicus belongs to Merychippus'
'Merychippus campestris is a subjective synonym of Pliohippus mirabilis'
'Merychippus carrizoensis is recombined as Parapliohippus carrizoensis'
'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 quintus is recombined as Merychippus quintus'
'Merychippus isonesus tertius is recombined as Acritohippus tertius'
'Merychippus mirabilis is recombined as Pliohippus mirabilis'
'Merychippus praecocidens is a subjective synonym of Acritohippus isonesus'
'Merychippus tehachapiensis is a subjective synonym of Parapliohippus carrizoensis'
'Neohipparion belongs to Hipparionini'
'Neohipparion gratum tehonense is recombined as Hipparion tehonense'
'Onohippidium belongs to Equini'
'Parapliohippus belongs to Equini'
'Plesippus is a subjective synonym of Equus'
'Pliohippus belongs to Equini'
'Pliohippus (Astrohippus) was reranked as Astrohippus and belongs to Equini'
'Pliohippus fairbanksi is a subjective synonym of Pliohippus tantalus'
'Pliohippus leidyanus is recombined as Dinohippus leidyanus'
'Pliohippus lullianus is a subjective synonym of Pliohippus pernix'
'Pliohippus pernix belongs to Pliohippus'
'Pliohippus robustus is a subjective synonym of Pliohippus pernix'
'Protohippini belongs to Equinae'
'Protohippus (Calippus) was reranked as Calippus and belongs to Protohippini'
'Protohippus fossulatus is recombined as Pliohippus fossulatus'
'Protohippus pachyops is a subjective synonym of Pliohippus pernix'
'Protohippus sejunctus is recombined as Merychippus sejunctus'
'Protohippus supremus belongs to Protohippus'
'Protohippus tantalus is recombined as Pliohippus tantalus'
'Pliohippus tehonensis is a nomen dubium'
'Pseudhipparion belongs to Hipparionini'
'Stylonus is a nomen dubium'
'Stylonus seversus is a nomen dubium'