Ground sloth prehistoric mammal fossils. 19th-century illustration of views of fossils of the ankle bones (talus or astralagus) for two extinct prehis
Ground sloth prehistoric mammal fossils. 19th-century illustration of views of fossils of the ankle bones (talus or astralagus) for two extinct prehistoric ground sloths: Megatherium (left) and Scelidotherium (right). Darwin discovered fossils of the latter in South America, identifying them as Megatherium with Owen reclassifying and renaming them. This illustration is Plate 26 from the 1840 volume on fossil mammals ('Fossil Mammalia'), part of the multi-volume work 'The Zoology of the Voyage of HMS Beagle', describing Darwin's work during this survey voyage from 1832 to 1836. This expedition established Darwin's reputation as a naturalist. Edited by Darwin, this work was published between 1838 and 1843. The volume on fossil mammals was written by British naturalist and palaeontologist Richard Owen.
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Photo credit: © LIBRARY OF CONGRESS, RARE BOOK AND SPECIAL COLLECTIONS DIVISION/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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