Heliscomys Cope 1873 (rodent)

Mammalia - Rodentia - Heliscomyidae

Full reference: E. D. Cope. 1873. Synopsis of new Vertebrata from the Tertiary of Colorado obtained during the summer of 1873. Seventh Annual Report of the United States Geological Survey of the Territories (extract)

Parent taxon: Heliscomyidae according to W. W. Korth et al. 1991

See also Alroy 2002, Hay 1902, Johnson 1966, Kelly 2009, Korth and Branciforte 2007 and McKenna and Bell 1997

Sister taxa: Apletotomeus, Megaheliscomys, Passaliscomys, Tylionomys

Subtaxa: Heliscomys gregoryi Heliscomys hatcheri Heliscomys macdonaldi Heliscomys ostranderi Heliscomys senex Heliscomys vetus Heliscomys walshi

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Type: Heliscomys vetus

Ecology: ground dwelling herbivore

Distribution:

• Miocene of Canada (1: Saskatchewan collection)

• Arikareean of United States (2: California)

• Oligocene of Canada (1: Saskatchewan), United States (17: Colorado, Florida, Montana, Nebraska, South Dakota, Wyoming)

• Eocene of Canada (4: Saskatchewan), United States (12: California, Montana, Nebraska, North Dakota, Wyoming)

Total: 37 collections including 40 occurrences

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