Asteroceras definitions

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Asteroceras

Asteroceras logo #10101) Triassic ammonite
Found on https://www.crosswordclues.com/clue/asteroceras

Asteroceras

Asteroceras logo #21000 Asteroceras is an extinct genus of cephalopod belonging to the Ammonite subclass. Asteroceras fossils may be found at Lyme Regis in the Asteroceras obtusum zone of Upper Sinemurian age. ...
Found on http://en.wikipedia.org/wiki/Asteroceras
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