Taxon Name:
Crepicephalidae Crepicephalus iowensis (Owen, 1852)
Kingdom:
Animalia
Phylum:
Arthropoda
Subphylum:
Trilobitomorpha
Class:
Trilobita
Order:
Ptychopariida
Family:
Crepicephalidae
Genus:
Crepicephalus
Species:
iowensis