A specimen of Elasmosaurus serpentinus
By: by Elmer S. Riggs --
Series: Fieldiana -- v. 6, no. 25.; Field Museum of Natural History. Geological series -- v. VI, no. 25; Field Museum of Natural History. [Publication] -- no. 454; Publication (Field Museum of Natural History : 1909) -- 454.; Publication (Field Museum of Natural History : 1909) -- v. 6, no. 25
Publisher: Field Museum of Natural History
Published: 1939
Place of publication: Chicago
Subjects: Elasmosaurus.