Mammalia - Rodentia - Sciuridae
Full reference: C. C. Black. 1963. A review of the North American Tertiary Sciuridae. Bulletin of the Museum of Comparative Zoology 130(3):109-248
Parent taxon: Sciuridae according to C. C. Black 1963
Sister taxa: Albanensia, Arctomyoides, Blackiini, Callosciurini, Cedromus, Cynomyoides, Douglassciurus, Forsythia, Funambulini, Heteroxerus, Marmotini, Miosciurus, Nototamias, Oligosciurus, Oligospermophilus, Paenemarmota, Palaearctomys, Palaeosciurus, Parapaenemarmota, Paratamias, Petauristodon, Pliopetaurista, Pliopetes, Pliosciuropterus, Prospermophilus, Protosciurus, Protospermophilus, Protoxerini, Pteromyinae, Ratufini, Sciurillus, Sciurini, Sciurion, Sciurotamias, Similisciurus, Tamiasciurini, Vulcanisciurus, Xerini
Subtaxa: Miospermophilus bryanti, Miospermophilus lavertyi, Miospermophilus wyomingensis
Ecology: scansorial granivore-frugivore