|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Rodentia - Sciuridae
It was recombined as Protospermophilus malheurensis by Bryant (1945), Black (1963) and Shotwell (1968).
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.
|M. D. Bryant 1945||Skull about the size of that of Protospermophilus angusticeps. Cranium small and flattened dorsally; rostrum massive, depth much greater than width; palate broad; interorbital region broad; dorsal crest of zygomatic plate terminates anteriorly below a rounded bulge at premaxillary-maxillary suture; fossae anterolateral to incisive foramina deep. Cheek teeth small in comparison with size of skull; anterior cingulum on P4 small; shallow grooves present on lingual margin of each molar at junction of cingula with protocone.|