Abundance: 0.04 to 1.45% (median 0.73%)

Latitudinal range: 35.2° to 42.6°

Habitats: (5) only

Found in 5 samples

United States: Bat Cave (Late Pleistocene), First American Bank Site (Feature 1) (Late Pleistocene), CA-SLO-585 (Locus 6A, Early-Middle Holocene) (Holocene), WaKeeney (UM-K6-59) (Late Miocene), Pratt slide (Late Miocene)

See also Pituophis, Pituophis catenifer, Pituophis melanoleucus