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 1989, Korth et al. 2022, Korth and Branciforte 2007, McKenna and Bell 1997 and Wood 1935
Sister taxa: Apletotomeus, Megaheliscomys, Passaliscomys, Tylionomys
Subtaxa: Heliscomys (Heliscomys) Heliscomys (Syphyriomys) Heliscomys borealis Heliscomys hatcheri Heliscomys macdonaldi Heliscomys medius Heliscomys senex Heliscomys vetus Heliscomys walshi
Type: Heliscomys vetus
Ecology: ground dwelling herbivore
Distribution:
• Miocene of Canada (1: Saskatchewan collection), United States (2: California)
• Arikareean of United States (2: California)
• Oligocene of Canada (1: Saskatchewan), United States (18: Colorado, Florida, Montana, Nebraska, South Dakota, Wyoming)
• Eocene to Oligocene of United States (1: Nebraska)
• Eocene of Canada (5: Saskatchewan), United States (12: California, Montana, Nebraska, North Dakota, Wyoming)
Total: 42 collections including 48 occurrences
Specimen images are retrieved through the ePANDDA API.
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