Paradoxides

Middle Cambrian

An extremely large trilobite, growing up to 60 cm in length, with up to 21 segments in the thorax. Each segment ends in a long spine. The cephalon also bears a pair of long spines (called genal spines) pointing towards the pygidium. The many spines on this trilobite may have helped it to stay on top of the soft sediment, or may have had a protective purpose, as this species was not able to enroll completely.

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