Check the listing for details. Trilobite Extinct Arthropod Fossil in Display Case. Condition: Used. Listed at 13.99 USD. Trilobites had three body lobes, two of which lay on each side of a longitudinal axial lobe. For the animal to grow, the exoskeleton had to be shed, and shed trilobite exoskeletons, or portions of them, are fossils that are relatively common.

$9.79
$13.99