PaleoDB taxon number: 45497
Alternative combination: Arctomys ludoviciana
Synonyms: Cynomys arizonensis Mearns 1890 (no. 45490), Cynomys cinereus Richardson 1829 (no. 45492), Cynomys grisea Rafinesque 1817 (no. 45493), Cynomys meadensis Hibbard 1956 (no. 45498), Cynomys pyrrotrichus Elliot 1905 (no. 45502), Cynomys socialis Rafinesque 1817 (no. 45504), Monax missouriensis Warden 1819 (no. 48791)
Belongs to Cynomys according to H. T. Goodwin 1995
Sister taxa: Cynomys gunnisoni, Cynomys hibbardi, Cynomys leucurus, Cynomys mexicanus, Cynomys niobrarius, Cynomys parvidens, Cynomys sappaensis, Cynomys spenceri, Cynomys vetus
Ecology: scansorial insectivore
Average measurements (in mm): m1 3.03 x 4.16, femur length 52.7, humerus length 44.5, radius length 42.3, tibia length 53.2, ulna length 52.6
Estimated body mass: 581.7 g based on femur length, humerus length, tibia length, and ulna length