Phylogeny of North American Equidae

R. A. Stirton

1940

Article

University of California Publications in Geological Sciences 25(4):165-198

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Taxa discussed in this work:

• Acritohippus tertius
• Astrohippus
• Calippus castilli
• Cormohipparion occidentale
• Epihippus
• Hipparion cragini
• Hipparion sanfondensis
• Hipparion sanjuanensis
• Hipparion tehonense
• Merychippus coalingensis
• Merychippus quartus
• Pediohippus
• Pliohippus (Astrohippus)
• Pliohippus (Pliohippus)
• Pseudhipparion

Taxonomy:

• Merychippus coalingensis belongs to Merychippus - Clark (1921)
• Hipparion sanjuanensis belongs to Hipparion - Frick (1933)
• Orohippus osbornianus belongs to Orohippus - Stirton (1940)
• Pliohippus (Pliohippus) belongs to Pliohippus - Stirton (1940)
• Equus proversus belongs to Equus - Stirton (1940)
• Equus francescana belongs to Equus - Stirton (1940)
• Archaeohippus minutalis belongs to Archaeohippus - Stirton (1940)
• Orohippus uintanus belongs to Orohippus - Stirton (1940)
• Eohippus cristonensis belongs to Eohippus - Stirton (1940)
• Orohippus typicus belongs to Orohippus - Stirton (1940)
• Nannippus niobrarensis belongs to Nannippus - Stirton (1940)
• Merychippus quartus belongs to Merychippus - Stirton (1940)
• Orohippus ballardi belongs to Orohippus - Stirton (1940)
• Miohippus taxus belongs to Miohippus - Stirton (1940)
• Hypohippus pertinax belongs to Hypohippus - Stirton (1940)
• Nannippus venustus belongs to Nannippus - Stirton (1940)
• Helohippus belongs to Orohippus - Stirton (1940)
• Nannippus parvulus belongs to Nannippus - Stirton (1940)
• Eohippus borealis belongs to Eohippus - Stirton (1940)
• Miohippus longicristis belongs to Miohippus - Stirton (1940)
• Miohippus equiceps belongs to Miohippus - Stirton (1940)
• Miohippus condoni belongs to Miohippus - Stirton (1940)
• Miohippus anceps belongs to Miohippus - Stirton (1940)
• Altippus belongs to Miohippus - Stirton (1940)