Mosasaurus sp.
Plioplatecarpus sp.
Literature Cited
Baird, Donald
1967. Age of Fossil Birds from the Greensands of New Jersey. Auk, 84:260-262.
Brodkorb, Pierce
1963a. Birds from the Upper Cretaceous of Wyoming. Proceedings of the XIIIth International Ornithological Congress, pages 55-70, 10 figures.
1963b. Catalogue of Fossil Birds, Part 1 (Archaeopterygiformes through Ardeiformes). Bulletin of the Florida Slate Museum, Biological Sciences, 7(4):179-293.
1967. Catalogue of Fossil Birds, Part 3 (Ralliformes, Ichthyornithiformes, Charadriiformes). Bulletin of the Florida Slate Museum, Biological Sciences, 11(3):99-220.
1978. Catalogue of Fossil Birds, Part 5 (Passeriformes). Bulletin of the Florida Stale Museum, Biological Sciences, 23(3):140-228.
Conrad, Timothy A.