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A sand dollar or biscuit urchin

Description

A sand dollar or biscuit urchin. Is this a fossil or the test of an animal that was indigenous to this environment. Depth approximately 400 meters. Sanddollars and biscuit urchins are really extremely flattened sea urchins.

Credit

NOAA/OAR/OER, 2016 Deepwater Exploration of the Marianas, Leg 1.

Display Date

20160507T233728Z

Category

Voyage to Inner Space
Ocean Exploration Collection
Modern Expeditions
2016 Deepwater Exploration of the Mariana