Reptilia - Plesiosauria - Polycotylidae
Parent taxon: Polycotylinae according to W. S. Persons IV et al. 2022
See also Adams 1997, Albright et al. 2007, Carpenter 1996, Carroll 1988, Gasparini and Goñi 1985, Hay 1902, Hay 1930, Ketchum and Benson 2010, Lydekker 1889, O'Keefe 2001, O'Keefe 2004, Otero et al. 2012, Schumacher and Everhart 2005, Seeley 1892, Sepkoski 2002, Welles 1962, White 1940, Williston 1903, Williston 1906 and Williston 1908
Sister taxa: Dolichorhynchia, Eopolycotylus, Georgiasaurus, Polycotylus, Scalamagnus, Serpentisuchops
Subtaxa: Trinacromerum bentonianum Trinacromerum kirki
Type: Trinacromerum bentonianum
Ecology: aquatic carnivore
Distribution:
• Cretaceous of Canada (3: Manitoba collections), United States (15: Kansas, Texas, Utah, Wyoming)
Total: 18 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.