|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Perissodactyla - Equidae
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||per cheek tooth series approximately the same length as P. per- ditus; teeth lower crowned, narrower transversely, enamel pattern more com- plex than in P. perditus; ectoloph flat- tened with styles and ribs strongly de- veloped; protocones long-oval and disconnected at the summit of the crowns; pli caballin on all cheek teeth in early stages of wear, lost with wear on molars · but not on premolars; bifurcate on some premolars; hypostylar fossette present on molars; lower cheek tooth pattern simi- lar to that of Hippodon; parastylid slop- ing diagonally across anterior face of teeth.|