trilobites
Trilobites are extinct marine arthropods that lived from the Cambrian to the Permian period, characterized by a hard segmented exoskeleton, three-lobed body structure, and a wide diversity of species.
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Trilobites are extinct marine arthropods that lived from the Cambrian to the Permian period, characterized by a hard segmented exoskeleton, three-lobed body structure, and a wide diversity of species.
Requires login.