Species: laramiensis (KNIGH, 1900) O’KEEFE & WAHL, 2003b
Referred material:
WAHL, 1996, WAHL, 1998, WAHL, 2005
Locality: UW locality V-92066, Near the town of Armento, Natrona County, Wyoming.
Horizon: Upper Redwater Shale, Sundance Formation.
Biostratigraphy:
Age: Late Oxfordian Stage, Middle Malm Epoch, Late Jurassic.
Material:
UW 24215: Articulated specimen.
Note: Found with Hybodont teeth and fin spines and cephalophoid hooklets and gastroliths were found in the stomach area.