Naraoia

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Kingdom: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: †Artiopoda
Superclassis: †Trilobitomorpha
Ordo: †Nektaspida
Genus: †
Species: †N. compacta – †N. halia – †N. longicaudata – †N. paimon – †N. spinifera – †N. spinosa

Naraoia Walcott, 1912: 175

Type species: Naraoia compacta Walcott, 1912, by original designation.

• Walcott, C.D. 1912. Middle Cambrian Branchiopoda, Malacostraca, Trilobita and Merostomata. In: Cambrian geology and paleontology. II. Smithsonian Miscellaneous Collections 57(6): 145–228, pls. 24–34, text figs. 8–10. BHL. Reference page. 

• The Paleobiology Database
• Trilobite Classification Chart