Dinosaurs

Newly named dinosaurs

Plesiosaurs

• Plesiosaur gastroliths documented.^[1]

Synapsids

Non-mammalian

References

1. ↑ Welles and Bump (1949). Sanders, Manley, and Carpenter (2001), "Table 12.1" page 167.

• Welles, Samuel P. and Bump, J. D.; 1949; Alzadasaurus pembertoni, a new elasmosaur from the Late Cretaceous of South Dakota; Journal of Paleontology; 23(5) pp. 521 535
• Sanders F, Manley K, Carpenter K. Gastroliths from the Lower Cretaceous sauropod Cedarosaurus weiskopfae. In: Tanke D.H, Carpenter K, editors. Mesozoic vertebrate life: new research inspired by the paleontology of Philip J. Currie. Indiana University Press; Bloomington, IN: 2001. pp. 166 180.