trilobites[Français]

nom
1 : an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts
2 : an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts
3 : an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts
Definitions