Full reference: J. A. Holman. 1976. Snakes from the Rosebud Formation (Middle Miocene) of South Dakota. Herpetologica 32:41-48
Sister taxon: Pterygoboa delawarensis
Type specimen: Its type locality is Black Bear Quarry II, which is in a Hemingfordian coarse channel fill conglomerate in the Rosebud Formation of South Dakota
Ecology: fossorial carnivore
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.