Arthropods
Newly named Arachnids
Newly named insects
Archosauromorpha
Newly named dinosaurs
Data courtesy of
George Olshevky's dinosaur genera list.
Plesiosaurs
*
Plesiosaur
The Plesiosauria (; Greek: πλησίος, ''plesios'', meaning "near to" and ''sauros'', meaning "lizard") or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia.
Plesiosaurs first appeared ...
gastroliths
A gastrolith, also called a stomach stone or gizzard stone, is a rock held inside a gastrointestinal tract. Gastroliths in some species are retained in the muscular gizzard and used to grind food in animals lacking suitable grinding teeth. In oth ...
documented.
[Riggs (1939). Sanders, Manley, and Carpenter (2001), "Table 12.1" page 167.]
References
{{portal, Paleontology
* Riggs, Elmer Samuel; 1939a; A specimen of Elasmosaurus serpentinus; Geological Series of Field Museum of Natural History; VI(No. 25) pp. 385–391
* 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.
1930s in paleontology
Paleontology 9