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Cephalaspis (meaning "head shield") is a jawless fish from the Devonian.

PDVD 174

Description

Like its relatives, Cephalaspis was heavily armored, presumably to defend against predatory placoderms and eurypterids, as well as to serve as a source of calcium for metabolic functions in calcium-poor freshwater environments.

Classification

In popular culture

  • Cephalaspis appeared in Walking with Monsters.
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