Mammalia - Rodentia - Echimyidae
Parent taxon: Echimyidae according to B. Patterson and A. E. Wood 1982
See also Patterson and Pascual 1968
Sister taxa: Adelphomyinae, Carterodon, Chaetomyinae, Clyomys, Dactylomyinae, Dactylomys, Dicolpomys, Diplomys, Echimyinae, Eumysopinae, Eumysops, Euryzygomatomys, Gaimanomys, Haplostropha, Hoplomys, Isothrix, Lonchothrix, Maruchito, Mesomys, Myocastor, Pampamys, Paradelphomys, Proatherura, Quebradahondomys, Reigechimys, Theridomysops, Thrichomys, Trinomys
Subtaxa: Boromys Brotomys Cercomys Heteropsomys Puertoricomys
Type: Heteropsomys
Ecology: scansorial herbivore
Distribution:
• Quaternary of Cuba (2 collections), the Dominican Republic (1), Puerto Rico (1)
• Huayquerian of Argentina (1)
• Miocene of Brazil (2), Chile (1)
• Eocene to Oligocene of China (1)
• Eocene of Mongolia (1)
Total: 10 collections including 12 occurrences