Latitudinal range: 34.3° to 43.8°

Found in 8 samples

United States: North Fork of Owl Creek (UW V-78004) (Middle Eocene), Green Locality (Early Eocene), Sciuravus Surprise (Middle Eocene), Donna's Locality (Middle Eocene), Natural Science (Middle Eocene), Roll the Bones (Middle Eocene), Strathern (LACM 7894) (Middle Eocene), Strathern (LACM 7895) (Middle Eocene)

See also Herpetotherium, Herpetotherium fugax, Herpetotherium marsupium, Herpetotherium sp., Herpetotherium valens, Herpetotherium youngi