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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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BELEMNITES: SQUID-LIKE CEPHALOPODS

Lower Jurassic Belemnites, Photo: Georg LakiBelemnitida is an extinct order of squid-like cephalopods that swam our ancient seas from the Late Triassic to Late Cretaceous. Unlike squid, belemnites had an internal skeleton that made up the cone and it is this hard part that we often find fossilized. The parts are, from arms to tip: the tongue-shaped pro-ostracum, the conical phragmocone, and the

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