PaleoDB taxon number: 168676
Alternative combination: Trinacromerum bonneri
Full reference: D. A. Adams. 1997. Trinacromerum bonneri, new species, last and fastest pliosaur of the Western Interior Seaway. Texas Journal of Science 49(3):179-198
Type specimen: KUMNH 40002, a partial skeleton. Its type locality is Johnson Ranch, Redbird, which is in a Campanian/Campanian marine horizon in the Pierre Shale Formation of Wyoming.
Ecology: aquatic carnivore