|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Multituberculata - Kogaionidae
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.
|P. Peláez-Campomanes et al. 2000||Multituberculates with four upper premolars (P2-P5) having two roots each. P4 with one to three labial cusps. P5 with a labial crest, which decreases in height backwards, and a postero-lingual cingulum. M1 with a well-developed, postero-lingual ridge, usually reaching the anterior margin of the tooth. Upper and lower molars with less than eight cusps per row. The p4 is about twice as long as the P4.|