But those are not our ancestors. Those guys (trilobites) are an extinct clade that have no living descendants. The creatures that existed concurrently with them that are our ancestors are agnathans which were jawless fish.

Shellbro

Lobster Man

Sea Louse

and Albert

rvtrruvune

Does anyone remember that book Dinotopia about a secret human-dinosaur civilisation? In one scene they had a giant monument to the trilobite, like we might have a dinosaur carving.

Heritage something