|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Artiodactyla - Merycoidodontidae
It was synonymized subjectively with Hypsiops bannackensis by Lander (1998).
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.
|C. B. Schultz and C. H. Falkenbach 1950||SKULL: Intermediate in length between that of P. rooneyi and of 'IP. boulderensis; brachycephalic; low; frontals very wide; posterior border of nasals extending posteriorly beyond anterior border of orbit (nasals not preserved in holotype); posterior superior border of squamosal of zygomatic arch extending posteriorly to a point above middle of postglenoid process; malar deep below orbit, equal to that of P. rooneyi, but considerably less than in P. boulderensis; paroccipital process wider at base than in other two species of genus; postglenoid process more massive than in P. rooneyi.
DENTITION: [known from P2-P4 only] larger than in other two species of this genus; molar series longer and heavier than in type of P. rooneyi and slightly heavier but approximately same length as in holotype of ?P. boulderensis.