Full reference: J. A. Holman. 1976. Snakes of the Split Rock Formation (middle Miocene), central Wyoming. 32(4):419-426
Sister taxa: none
Type specimen: Its type locality is Blowout Locality, which is in a Miocene terrestrial horizon in the Split Rock Formation of Wyoming
Ecology: ground dwelling carnivore
Total: 13 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.