Full reference: J. A. Holman. 1976. Snakes of the Gering Formation (lower Miocene) of Nebraska. Herpetologica 32:88-94
See also Holman 1982
Ecology: fossorial carnivore
• Miocene of United States (3: Nebraska collections)
• Harrisonian of United States (1: Nebraska)
• Oligocene of United States (1: Wyoming)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.