ecofactbook / species / Animalia / Arthropoda / Trilobita / Phacopida / Encrinuridae / Physemataspis

Physemataspis tholus

kingdom: Animalia
phylum: Arthropoda
class: Trilobita
order: Phacopida
family: Encrinuridae
genus: Physemataspis
species: Physemataspis tholus

Where does Physemataspis tholus live?