Abundance: 0.41 to 17.42% (median 1.99%)

Latitudinal range: 29.6° to 44.1°

Habitats: (13) only

Found in 13 samples

United States: McCann Canyon (Early Miocene), Buck Spring Quarries (B-2 horizon) (Early Eocene), North Fork of Owl Creek (UW V-78004) (Middle Eocene), Whistler Squat Quarry (Middle Eocene), Green Locality (Early Eocene), Lightning Butte (Early Eocene), Someday (Early Eocene), Deadman Butte (Early Eocene), Sciuravus Surprise (Middle Eocene), Donna's Locality (Middle Eocene), Natural Science (Middle Eocene), Roll the Bones (Middle Eocene), Jack Creek (Early Eocene)

See also Herpetotherium knighti, Herpetotherium marsupium, Herpetotherium sp., Herpetotherium youngi