|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Perissodactyla - Equidae
It was synonymized subjectively with Nannippus by Stirton (1940).
It was assigned to Equidae by Ameghino (1904), Webb (1969), Webb and Hulbert (1986) and Carroll (1988); to Hippotheriini by Prothero and Schoch (1989); and to Hipparionini by Kelly (1995), MacFadden (1998) and May (2019).
|Year||Name and author|
|1955||Griphippus Quinn p. 42|
|1986||Pseudhipparion Webb and Hulbert, Jr.|
|1989||Pseudhipparion Prothero and Schoch p. 532|
|1995||Pseudhipparion Kelly p. 26|
|1998||Pseudhipparion MacFadden p. 547|
Is something missing? Join the Paleobiology Database and enter the data
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|J. H. Quinn 1955 (Griphippus)||Slightly larger than Calippus; protocones oval and connected to partly disconnected; hypoconal groove closed nearly to summit of crowns; para- stylid present; pli cabal'linid absent or vestigial.|