Reptilia - Sauropterygia - Polycotylidae
Full reference: S. W. Williston. 1902. Restoration of Dolichorhynchops osborni, a new Cretaceous plesiosaur. Kansas University Science Bulletin 1(9):241-244
Parent taxon: Polycotylidae according to H. F. Ketchum and R. B. J. Benson 2010
See also Albright et al. 2007, Carpenter 1996, Carpenter 1997, Carroll 1988, O'Keefe 2001, O'Keefe 2004, O'Keefe 2008, Otero et al. 2012, Sato 2005, Schmeisser McKean 2012, Sepkoski 2002, Thurmond 1968, Welles 1962, Williston 1903 and Williston 1908
Sister taxa: Ceraunosaurus, Cimoliasaurus leucoscopelus, Edgarosaurus, Eopolycotylus, Georgiasaurus, Manemergus, Pahasapasaurus, Palmulainae, Palmulasaurinae, Piratosaurus, Plesiopleurodon, Polycotyilnae, Polycotylinae, Sulcusuchus, Thililua, Trinacromerum, Polycotylus ichthyospondylus tanais, Polycotylus brevispondylus
Subtaxa: Dolichorhynchops bonneri Dolichorhynchops herschelensis Dolichorhynchops osborni Dolichorhynchops tropicensis Plesiosaurus ichthyospondylus Trinacromerum latimanus
Ecology: aquatic carnivore
Distribution:
• Cretaceous of Canada (3: Manitoba, Northwest Territories, Saskatchewan collections), United States (12: Kansas, South Dakota, Texas, Utah, Wyoming)
Total: 15 collections including 16 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.