Species: morgani (WELLES 1949) CARPENTER, 1997
Etymology:
= Elasmosaurus morgani WELLES, 1949
Holotype: Department of Geology, Southern Methodist University, Dallas, Texas, SMUSMP 69120.
Locality: Andy Anderson farm near Cedar Hill, Dallas County, Texas.
Horizon: Britton Formation, Turonian, Uppermost Eagle Ford Shale.
Biostratigraphy:
Age: Early Late Cretaceous.
Material: Skull, 62 cervical vertebrae, pectrum, and other fragments.
Note: Found with about 70 gastroliths.