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Paracimexomys group

Paracimexomys group
Scientific classification
Kingdom: Animalia
Therapsida
Class: Mammalia
Order: Multituberculata
Grade[?]: Paracimexomys group
Genera
  Paracimexomys
  Bryceomys
  Dakotamys
  ?Cimexomys
  ??Cedaromys
Ref.

The Paracimexomys group is a loose grade of extinct mammals which are known from the Lower Cretaceous and possibly through to the Paleocene of North America. They were members of an also extinct order called Multituberculata. These were generally small, somewhat rodent-like creatures, some of whom shared the world with dinosaurs.
As remains are rather sparse, it's not yet been possible to define this group with more certainty. They seem to represent animals which were anatomically somwhere between the more basal "Plagiaulacida" and the further derived members of Cimolodonta.
The affinities of Cimexomys and Cedaromys are even less well established.

Page reference: Kielan-Jaworowska Z & Hurum JH (2001), Phylogeny and Systematics of multituberculate mammals. Paleontology 44, p.389-429.

(This information has been derived from [1] (http://home.arcor.de/ktdykes/cimolod.htm) MESOZOIC MAMMALS; 'basal' Cimolodonta, Cimolomyidae, Boffidae and Kogaionidae, an internet directory. As that's my webpage, there are no issues of copyright. Trevor Dykes)



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