Lot 502
Giant Display Fossil Ammonite, Of a Type That Seldom Attains Such Prodigious Size. This extraordinary beauty could almost be called one-of-a-kind in terms of its size, definition, color and unrivaled state preservation. The scientific name is Astereoceras. This magnificent specimen was found in England and dates from the early Jurassic time period, when larger dinosaurs were just coming upon earth, close to 200 million years ago. It was a bottom-dwelling sea creature which had soft or living parts much like the squid of today. A major characteristic of this species is the prominence of the rib projections and their sloping contour (see page 154 of the Smithsonian guide to fossils). The diameter is 10"--very heavy!
Estimated Value $350 - 450.
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