Mammalia - Rodentia - Sciuridae
Parent taxon: Sciuridae according to J. M. Mercer and V. L. Roth 2003
See also Black 1963 and Emry et al. 2005
Sister taxa: Albanensia, Blackiini, Callosciurini, Cedromurinae, Comtia, Cynomyoides, Douglassciurus, Forsythia, Funambulini, Hesperopetes, Heteroxerus, Marmotini, Nototamias, Oligosciurus, Palaeosciurus, Parapaenemarmota, Perasciuravus, Petauria, Petauristodon, Pliopetaurista, Pliopetes, Pliosciuropterus, Prospermophilus, Protoxerini, Pteromyinae, Ratufini, Sciurillus, Sciurinae, Sciurion, Sciuropterus, Sciurotamias, Tamiasciurini, Vulcanisciurus, Xerini
Subtaxa: Microsciurus Miosciurus Plesiosciurus Protosciurus Rheithrosciurus Sciurus Syntheosciurus
Type: Sciurus
Ecology: scansorial granivore-frugivore
Distribution:
• Quaternary of Brazil (1 collection), Canada (2: Ontario, Quebec), Czechia (2), France (3), Germany (4), Greece (6), Hungary (2), Indonesia (1), Israel (4), Italy (1), Mexico (1), Panama (1), Peru (1), Poland (1), Portugal (1), Romania (6), Spain (1), the United Kingdom (2), United States (54: Arizona, California, Colorado, Florida, Georgia, Iowa, Maryland, Michigan, Missouri, New Mexico, Ohio, Tennessee, Texas, Virginia, West Virginia), Venezuela (1)
• Villafranchian of Greece (1), Italy (1)
• MN 16 of Austria (1), Poland (2)
• Pliocene to Pleistocene of France (1)
• Pliocene of Germany (2), Greece (1), Hungary (1), Poland (3), Spain (1)
• MN 13 of Spain (1)
• Miocene of China (5), France (4), Germany (3), Italy (3), Mongolia (5), Spain (1), United States (4: Colorado, Nevada, Texas)
• Harrisonian of United States (2: Florida, Nebraska)
• Arikareean of United States (6: California, Nebraska, Oregon)
• Oligocene of Canada (1: Saskatchewan), France (2), Germany (2), Mongolia (1), Switzerland (1), United States (8: California, Florida, Nebraska, Oregon, South Dakota)
• Eocene to Oligocene of United States (1: Nebraska)
• Eocene of Switzerland (1), United States (1: Wyoming)
Total: 161 collections including 174 occurrences