Mammalia - Rodentia - Cricetidae
Full reference: S. J. Steppan, R. M. Adkins, and J. Anderson. 2004. Phylogeny and divergence-date estimates of rapid radiations in muroid rodents based on multiple nuclear genes. Systematic Biology 53(4):533-553
Parent taxon: Sigmodontinae according to S. J. Steppan et al. 2004
Sister taxa: Abrothrix, Chelemys, Cordimus, Delomys, Euneomys, Geoxus, Handleyomys, Holochilus, Honeymys, Ichthyomyini, Ichthyurodon, Irenomys, Juliomys, Lundomys, Melanomys, Microryzomys, Miotomodon, Nectomys, Noronhomys, Oligoryzomys, Panchomys, Phyllotini, Pseudoryzomys, Rhipidomys, Scolomys, Thomasomys, Wiedomyini, Wilfredomys
Subtaxa: Akodontini Oryzomyini Reithrodontini Thomasomyini
Ecology: ground dwelling herbivore
Distribution:
• Quaternary of Antigua and Barbuda (4 collections), Argentina (22), Bolivia (2), Brazil (9), Canada (1: Saskatchewan), Jamaica (2), Mexico (2), the Netherlands Antilles (6), Panama (1), Peru (2), United States (25: Florida, Georgia, Kansas, Texas), Uruguay (1), Venezuela (1)
• Blancan of United States (1: New Mexico)
• Pliocene to Holocene of the Netherlands Antilles (1)
• Pliocene to Pleistocene of Argentina (1)
• Pliocene of Argentina (14)
• Miocene of Argentina (1)
Total: 96 collections including 156 occurrences