Abundance: 0.02 to 8.79% (median 1.40%)

Latitudinal range: 29.2° to 39.3°

Habitats: (6), desert/xeric shrubland (3), temperate savanna (1)

Found in 10 samples

Mexico: Mexico Highway 16

United States: Fort Riley Military Reservation, Maricopa Road (MR-238), Sun Valley Parkway, Bat Cave (Late Pleistocene), First American Bank Site (Feature 1) (Late Pleistocene), CA-SLO-585 (Locus 6A, Early-Middle Holocene) (Holocene), Pacific City (Late Pleistocene), Meyer Cave (Holocene), Smith Creek Canyon (Reddish-brown Silt) (Late Pleistocene)

See also Pituophis catenifer, Pituophis melanoleucus, Pituophis sp.