| Bryceomys | ||||||||||||
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B. fumoses B. hadrosus B. intermedius | ||||||||||||
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Bryceomys is an extinct mammal that lived during the Upper Cretaceous, and thus shared the world with dinosaurs. It was a member of the also extinct order of Multituberculata.
For those of a technical disposition, it's within the Suborder of Cimolodonta, and a member of the Paracimexomys group.
Genus: Bryceomys Eaton JG, 1995
'Bryce mouse' (Bryce Canyon National Park)
Species: Bryceomys fumoses Eaton JG, 1995
Place: Straight Cliffs Formation, Utah
Country: USA
Age: Turonian, Upper Cretaceous
Remarks: Probably weighed about 12g, (half a house mouse). About a hundred teeth are held at the Oklahoma Museum of Natural History, including this holotype.
Reference: Eaton (1995), Cenomanian and Turonian (Early Late Cretaceous) multituberculate mammals from southwestern Utah., Journal of Vert Paleo 15(4), p.761-784.
Species: Bryceomys hadrosus Eaton JG, 1995
Place: Straight Cliffs Formation, Utah
Country: USA
Age: Turonian, Upper Cretaceous
Remarks: Also in the Oklahoma collection. Suggested bodyweight is around 90g.
Reference: Eaton (1995), Cenomanian and Turonian (Early Late Cretaceous) multituberculate mammals from southwestern Utah., Journal of Vert Paleo 15(4), p.761-784.
Species: Bryceomys intermedius Eaton JG & Cifelli RL, 2001
Page references: Kielan-Jaworowska Z & Hurum JH (2001), Phylogeny and Systematics of multituberculate mammals. Paleontology 44, p.389-429.
(This information has been derived from [1] MESOZOIC MAMMALS; 'basal' Cimolodonta, Cimolomyidae, Boffidae and Kogaionidae, an internet directory. As that's my webpage, there are no issues of copyright. Trevor Dykes)