Liparoceras rusticum Phylum Mollusca; Class Cephalopoda; Subclass Ammonoidea; Order Ammonitida, Family Liparoceratidae Geologic Time: Lower Jurassic, Pleinsbachian Stage (~195 million years ago) Size: 130 mm diameter, 60 mm across living chamber Fossil Site: Ibex Zone, Blockley Brickworks, Gloucesterhamshire, England |
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