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
Belongs to Paraderma according to K. -Q. Gao and R. C. Fox 1996
See also Bryant 1989, Estes 1964, Estes 1983, Estes and Berberian 1970, Longrich et al. 2012 and Peng et al. 2001
Sister taxa: none
Type specimen: UCMP 54261, a maxilla (incomplete left maxilla with four broken teeth and spaces for two others). Its type locality is False Disciple Point, which is in a Lancian terrestrial sandstone/shale in the Lance Formation of Wyoming.
Ecology: planktonic suspension feeder
Distribution:
• Cretaceous of Canada (5: Alberta, Saskatchewan collections), Mexico (1), United States (7: Montana, Wyoming)
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.