Summary
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Cassis tuberosa, the king helmet, is a species of very large sea snail with a solid, heavy shell, a marine gastropod mollusc in the family Cassidae, the helmet shells and their allies.
Sources and Credits
- (c) Johnny Wilson, all rights reserved, uploaded by Johnny Wilson
- (c) Wikipedia, some rights reserved (CC BY-SA),
https://en.wikipedia.org/wiki/Cassis_tuberosa
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