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Astroceras obtusam  (ammonite)


Astroceras obtusam (after)


Astroceras obtusam is a Jurassic ammonite found in the Lower Blue Lias, Obtusam Zone at Lyme Regis, on the south Devonshire coast of England.

One of the most common of Jurassic marine fossils found in the Blue Lias formation, such ammonites are classed in the phylum Mollusca and the class Cephalopoda. 

  

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