ecofactbook / species / Animalia / Arthropoda / Trilobita / Ptychopariida / Norwoodiidae / Holcacephalus

Holcacephalus robustus

kingdom: Animalia
phylum: Arthropoda
class: Trilobita
order: Ptychopariida
family: Norwoodiidae
genus: Holcacephalus
species: Holcacephalus robustus

Where does Holcacephalus robustus live?