Reptilia - Plesiosauria - Polycotylidae
Alternative combination: Trinacromerum osborni
Synonym: Polycotylus osborni Watson 1951
Full reference: S. W. Williston. 1902. Restoration of Dolichorhynchops osborni, a new Cretaceous plesiosaur. Kansas University Science Bulletin 1(9):241-244
Belongs to Dolichorhynchops according to F. R. O'Keefe 2004
See also Adams 1997, Carpenter 1996, Carpenter 1997, Hay 1930, O'Keefe 2001, O'Keefe 2008, Storrs 1999, Welles 1962, Williston 1902, Williston 1903 and Williston 1906
Sister taxa: Dolichorhynchops herschelensis, Plesiosaurus ichthyospondylus, Trinacromerum latimanus
Type specimens:
- Dolichorhynchops osborni: KUVP 1300, a skeleton (nearly complete skeleton). Its type locality is east of Wallace (PROXY), which is in a Santonian marine chalk in the Niobrara Formation of Kansas.
- Polycotylus osborni:
Ecology: aquatic carnivore
Distribution:
• Cretaceous of Canada (1: Northwest Territories collection), United States (6: Kansas, South Dakota, Wyoming)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.