ecofactbook / species / Animalia / Arthropoda / Trilobita / Ptychopariida / Isocolidae / Holdenia

Holdenia typa

kingdom: Animalia
phylum: Arthropoda
class: Trilobita
order: Ptychopariida
family: Isocolidae
genus: Holdenia
species: Holdenia typa

Where does Holdenia typa live?