What name is given to the distinct, overlapping scales covering the body of Wiwaxia?
Answer
Sclerites
The external armor of Wiwaxia was composed of numerous, individual, overlapping structures identified as sclerites. These sclerites covered the main oval-shaped body surface and served as a primary means of protection for the animal. While the overall organism had a soft main tissue mass, these sclerites represent hardened elements, possibly secreted cuticle, that formed an external layer reminiscent of armor plating rather than a single continuous shell. Their presence is a defining characteristic often visible in well-preserved specimens recovered from the Cambrian deposits.
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Wiwaxia corrugata - Creature of the Cambrian Explosion ~ 505 mya
Related Questions
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