PaleoDB taxon number: 170531
Alternative combination: Palmula quadratus
Full reference: L. B. Albright, D. D. Gillette, and A. L. Titus. 2007. Plesiosaurs from the Upper Cretaceous (Cenomanian-Turonian) Tropic Shale of southern Utah, part 2: Polycotylidae. Journal of Vertebrate Paleontology 27(1):41-58
Sister taxa: none
Type specimen: MNA V9442, a partial skeleton (anterior part of rostrum, anterior part of mandible, fragment of articular, fragment of occipital condyle, partial right coracoid, partial right scapula, comple). Its type locality is Near Big Water, Tropic Shale (MNA loc 1494), which is in a Turonian marine shale in the Tropic Shale Formation of Utah.
Ecology: aquatic carnivore