Mammalia - Rodentia - Entoptychidae
Alternative spelling: Entoptychinae
Synonym: Pleurolicinae Rensberger 1973
Parent taxon: Rodentia according to W. W. Korth et al. 2022
See also Korth 1996
Sister taxa: Alagomyidae, Allactagidae, Anomalomyidae, Anomaluroidea, Aplodontiidae, Aplodontoidea, Archetypomyidae, Callodontomys, Cavina, Cercolabidae, Conilurus, Ctenohystrica, Cylindrodontidae, Dolosimus, Downsimys, Echinomyidae, Ectropomys, Epeiromys, Eryomyidae, Eryomyina, Gliroidea, Homocentrus, Hystricognatha, Hystricomorpha, Ischyromyidae, Ischyromyiformes, Ivanantonia, Megacricetodontidae, Muriformia, Mylagaulidae, Myodonta, Pairomys, Paramyidae, Petauristidae, Pipestoneomyidae, Protrogomorpha, Pseudomys, Quercymys, Remyidae, Sciurognathi, Sciuroidea, Sciuromorpha, Siphneidae, Supramyomorpha, Taeniodus, Theridomyoidea, Yuomyidae, Zamoramys, Zelomyidae
Subtaxa: Entoptychus Gregorymys Lignimus Tenudomys Ziamys
Ecology: ground dwelling herbivore
Distribution:
• Miocene of Canada (1: Saskatchewan collection), United States (19: Colorado, Montana, Nebraska, Oregon, South Dakota)
• Harrisonian of United States (25: Montana, Nebraska, New Mexico, South Dakota, Texas, Wyoming)
• Arikareean of United States (28: California, Florida, Idaho, Montana, Oregon, South Dakota, Wyoming)
• Oligocene of United States (22: Florida, Nebraska, Oregon, South Dakota)
• Eocene to Oligocene of Mexico (1), United States (1: Nebraska)
Total: 97 collections including 109 occurrences