This article is in need of one or more better quality images. Please help Encyclopedia SpongeBobia by uploading a better image or editing the current image.
|Kingdom:||Animalia (Animal) (WP)|
|Phylum:||Arthropoda (Arthropod) (WP)|
|List of species|
A trilobite is a class of primitive arthropods that lived during the Paleozoic Era.
They are small and black-colored, and have several lines on their backs.