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The Arthropod Story Table of Contents   

Trilobites: Excellent exoskeletons

For starters, letís take a look at the trilobites. These extinct armored arthropods have a body built from a cephalon, thorax, and pygidium, a body divided into three lobes, and one pair of antennae.

trilobite



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Tools for success: The exoskeleton and the jointed limb

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Trilobites: Extinct, but not a failure


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