Reptilia - Sauropterygia - Polycotylidae

PaleoDB taxon number: 201929

Full reference: S. W. Williston. 1908. North American plesiosaurs Trinacromerum. Journal of Geology 16(8):715-736

Belongs to Dolichorhynchops according to S. P. Welles 1962

Sister taxa: Dolichorhynchops bonneri, Dolichorhynchops herschelensis, Dolichorhynchops osborni, Dolichorhynchops tropicensis, Plesiosaurus ichthyospondylus

Ecology: aquatic carnivore