Mammalia - Rodentia - Sciuridae
Alternative spelling: Marmotinae
Synonym: Tamiini
Parent taxon: Sciuridae according to J. M. Mercer and V. L. Roth 2003
Sister taxa: Albanensia, Arctomyoides, Blackiini, Callosciurini, Cedromus, Cynomyoides, Douglassciurus, Forsythia, Funambulini, Heteroxerus, Miosciurus, Miospermophilus, 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: Ammospermophilus, Cynomys, Eutamias, Marmota, Neotamias, Spermophilinus, Spermophilus, Tamias
Ecology: scansorial granivore-frugivore