|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Ungulata - Palaeomerycidae
It was synonymized subjectively with Pediomeryx by Savage (1941) and Janis and Manning (1998); it was reranked as Pediomeryx (Yumaceras) by Webb (1983); it was synonymized subjectively with Cranioceras by Tedford et al. (1987).
It was assigned to Pediomeryx by Webb (1983); and to Cranioceratini by Prothero and Liter (2007) and Prothero and Liter (2008).
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.
|D. R. Prothero and M. R. Liter 2008||Long, nearly vertical supraorbital horns with retrocurved and anteriorly flattened tips, and round midshaft section. Occipital appendage longer than in Cranioceras, and rising more verti- cally, with more anteroposteriorly flattened tip. No upper canine. Di- astema moderate. Mandible with nearly straight ventral border. Premolar row reduced, with p2 greatly reduced; p4 closed lingually by long meta- conid. Mesodont molars without Palaeomeryx fold (modified from Janis and Manning, 1998, p. 486).|