50.0 MB (4.9 MB compressed)
4926 x 3548 pixels
41.7 x 30.0 cm ⏐ 16.4 x 11.8 in (300dpi)
PAUL D STEWART / SCIENCE PHOTO LIBRARY PAUL D STEWART / SCIENCE PHOTO LIBRARY
Lithograph with contemporary colouring, continental version of the wallchart produced by Benjamin Waterhouse Hawkins for the Department of Science and Art 1862. It is entitled "Enaliosauria, or marine lizards that lived during the secondary epoch of the Earth's history". Numbered 1 & 2 Plesiosaurs, 3 Teleosaurus (early gharial-like crocodilian), 4 Ichthyosaur, 5 Pentracrinites, 6 Ammonites, 7 Gryphaea. The ichthyosaurs and plesiosaurs owe their recontructions largely to the discoveries of Mary Anning in Lyme Regis and descriptions of William Conybeare. Notable here is the earlier incorrect form of the ichthyosaur, with no dorsal fin and a straight rather than bilobed tail fluke. These features only became apparent when specimens preserving skin impressions were found in Germany.
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