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rhyncholite


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  • Zoology and Animal Sciences
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One of the beak-like structures which are considered to be the upper-jaw structures of fossil cephalopods (Cephalopoda). They are approximately rhomboidal in shape, with a slightly concave lower surface. The anterior portion is termed the hood, the posterior portion the shaft. The first examples are found in the Carboniferous.

Subjects: Zoology and Animal Sciences — Earth Sciences and Geography.


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