Arthropods

New taxa

Conodonts

Dinosaurs

* ''Psittacosaurus'' gastroliths documented.Brown (1941). Sanders, Manley, and Carpenter (2001), "Table 12.1" page 167.

Newly named dinosaurs

Data are courtesy of George Olshevky's dinosaur genera list.

Plesiosaurs

New taxa

Synapsids

Non-mammalian

References

{{portal, Paleontology * Brown, B. 1941. The last dinosaurs. – Natural History 48: 290–295. * 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. 1940s in paleontology

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