You are walking along a stream when you look down and find a narrow bullet-like structure with an amberish color. You identify the fossil as the of a(n) . Inside the brown structure is a smaller striped

A) shell

B) Belemnotheutis

Explanation:

The Belemnotheutis is an extinct coleoid cephalopod genus from the middle and upper Jurassic. It has an inner shell made up of a conical phragmocone apically surrounded by a thin rostrum or guard, which is similar in structure and evolutionary origin to true belemnites' bullet-shaped rostrum, a small forward projected proostracum, and ten arms of similar length hooks.

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