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

Holcacephalus glabrus

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

Where does Holcacephalus glabrus live?