PaleoDB taxon number: 92501
Alternative spelling: Marmotinae
Synonym: Tamiini (taxon 91413)
Parent taxon: Sciuridae according to J. M. Mercer and V. L. Roth 2003
Sister taxa: Albanensia, Arctomyoides, Blackiini, Callosciurini, Cedromurinae, Comtia, Cynomyoides, Forsythia, Funambulini, Hesperopetes, Heteroxerus, Miosciurus, Miospermophilus, Nototamias, Oligosciurus, Paenemarmota, Palaearctomys, Palaeosciurus, Parapaenemarmota, Paratamias, Petauristodon, Pliopetaurista, Pliopetes, Pliosciuropterus, Prospermophilus, Protosciurus, Protospermophilus, Protoxerini, Pteromyinae, Ratufini, Sciurillus, Sciurinae, Sciurini, Sciurion, Sciurotamias, Tamiasciurini, Vulcanisciurus, Xerini
Subtaxa: Ammospermophilus, Cynomys, Eutamias, Marmota, Neotamias, Spermophilinus, Spermophilus, Tamias
Ecology: scansorial insectivore