Full reference: R. Estes. 1964. Fossil vertebrates from the Late Cretaceous Lance Formation, eastern Wyoming. University of California Publications in Geological Sciences 49:1-187
See also Bryant 1989
Type specimen: UCMP 55820, a tooth. Its type locality is Lull 2 Quarry (UCMP V-5620), which is in a Maastrichtian terrestrial sandstone in the Lance Formation of Wyoming.
Ecology: nektobenthic carnivore
Total: 23 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.