Species:
Echinarachnius parma >
Genus:
Echinarachnius >
Family:
Echinarachniidae >
Infraorder:
Scutelliformes >
Suborder:
Scutellina >
Order:
Clypeasteroida >
Superorder:
Neognathostomata >
Infraclass:
Irregularia >
Subclass:
Euechinoidea >
Class:
Echinoidea >
Subphylum:
Echinozoa >
Phylum:
Echinodermata >
Kingdom:
Animalia >
Unranked:
Biota >