|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Ungulata - Merycoidodontidae
It was synonymized subjectively with Merychyus novomexicanus 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 1941||SKULL.-Differs from U. major, the nearest form, in somewhat smaller size; occipital flare not as wide; nasals much longer and less retracted (an- terior tip of nasals above region of P2); palate not extended as far posteriorly.
MANDIBLE.-Not quite as long as that of U. major.
DENTITION.-Superior and inferior series of approximately same length as examples of U. major; inferior canine smaller and Pr lighter than in U. major; P4 usually lacks deep internal groove found in U. major.
LIMBs.-Heavier and shorter than those of U. major; nearly same length as those of U. profectus.