Cimolodon


Cimolodon is a genus of the extinct mammal order of Multituberculata within the suborder Cimolodonta and the family Cimolodontidae. Specimens are known from the Late Cretaceous of North America.

Systematics

The genus Cimolodon was named by Othniel Charles Marsh in 1889. Kielan-Jaworowska & Hurum noted that Cimolodon seems to be more closely related to members of their "Paracimexomys group than to other ptilodontoideans.

Species

Cimolodon electus is known from the Upper Cretaceous of the Upper Milk River Formation in Alberta, Canada. Possible finds have been reported from New Mexico.
Cimolodon nitidus is known from Late Cretaceous strata of the Lance Formation of Wyoming, Utah, Montana and South Dakota. Synonyms include Allacodon lentus ; Allacodon rarus ; Cimolomys bellus ; Cimolomys digona ; Cimolomys nitidus; Halodon serratus ; Nanomyops minitus ; Nanomys minitus ; and Ptilodus serratus. Cimolodon pervus is also known from the Upper Cretaceous Lance Formation of Wyoming.
Cimolodon similis is known from the Late Cretaceous of Alberta and Utah. C. wardi is known from the Wahweap Formation of Utah.
Cimolodon akersteni is known from the Cenomanian-age Wayan Formation of Idaho.