Mammalia - Rodentia - Sciuridae
Full reference: A. R. Tedrow, S. F. Robison, and W. W. Korth. 2001. Early Hemphillian (late Miocene) sciurid rodents (Mammalia) from southeastern Idaho. Paludicola 3(3):80-94
Parent taxon: Sciuridae according to A. R. Tedrow et al. 2001
Sister taxa: Albanensia, Arctomyoides, Blackiini, Callosciurini, Cedromus, Cynomyoides, Douglassciurus, Forsythia, Funambulini, Heteroxerus, Marmotini, Miosciurus, Miospermophilus, Nototamias, Oligosciurus, Oligospermophilus, Paenemarmota, Palaearctomys, Palaeosciurus, Parapaenemarmota, Petauristodon, Pliopetaurista, Pliopetes, Pliosciuropterus, Prospermophilus, Protosciurus, Protospermophilus, Protoxerini, Pteromyinae, Ratufini, Sciurillus, Sciurini, Sciurion, Sciurotamias, Similisciurus, Tamiasciurini, Vulcanisciurus, Xerini
Subtaxa: Paratamias tarassus
Type: Paratamias tarassus
Ecology: scansorial granivore-frugivore