Description of the remains of extinct Mammalia and Chelonia, from Nebraska territory, collected during the geological survey under the direction of Dr D.D. Owen Leidy, Joseph, 1823-1891 creator text book Philadelphia Print. C. Sherman [ca. 1852] 1852
print
ENG 1852, d'apreĢ€s le Catalogue du British Museum. Chelonia (Genus) Eocene Mammals, Fossil Nebraska Paleontology https://www.biodiversitylibrary.org/bibliography/61030 30539398 10.5962/bhl.title.61030 ZW9