Mammalia - Perissodactyla - Equidae
Synonym: Griphippus Quinn 1955
Full reference: F. Ameghino. 1904. Recherches de morphologie phylogénétique sur les molaires supérieures des ongulés. Anales del Museo Nacional de Buenos Aires 3:1-541
Parent taxon: Hipparionini according to S. R. May 2019
See also Carroll 1988, Forsten 1975, Kelly 1995, Kelly and Lander 1988, MacFadden 1998, Prothero and Schoch 1989, Quinn 1955, Stirton 1940, Webb 1969 and Webb and Hulbert 1986
Sister taxa: Cormohipparion, Eurygnathohippus, Hipparion, Hipparion anthonyi, Hippotherium, Hippotherium sinclairi, Nannippus, Neohipparion
Subtaxa: Pseudhipparion curtivallum Pseudhipparion gratum Pseudhipparion hessei Pseudhipparion retrusum Pseudhipparion simpsoni Pseudhipparion skinneri
Ecology: ground dwelling grazer
Distribution:
• Pliocene of United States (1: North Carolina collection)
• Hemphillian of United States (14: Florida, Georgia, Kansas, Oklahoma)
• Miocene to Pliocene of United States (5: Florida, Oklahoma)
• Miocene of United States (135: Colorado, Florida, Kansas, Montana, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Wyoming)
Total: 155 collections including 158 occurrences
Specimen images are retrieved through the ePANDDA API.
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