Pentamerida - AbsoluteAstronomy.com

Pentamerida is a brachiopods order in the class Rhynchonellata

Rhynchonellata

The Rhynchonellata is a class of articulate brachiopods that combines certain orders from within the Rhynchonelliformea . The class ranges from the Lower Cambrian to Recent....

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Pentamerida have narrow hinge lines and looped brachidia.

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