Corycephalus

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: †Trilobitomorpha
Classis: †Trilobita
Ordo: †Phacopida
Subordo: †Phacopina
Superfamilia: Dalmanitoidea

Familia: † Dalmanitidae
Genus: †Corycephalus
Name
Corycephalus Hall & Clarke, 1888

Corycephalus is a genus of trilobites in the order Phacopida, that existed during the lower Devonian in what is now New York, U.S. It was described by Hall and Clarke in 1888, and the type species is Corycephalus regalis, originally described under the genus Dalmanites by Hall in 1876. The species was described from the Schoharie Formation.[1]
References

Available Generic Names for Trilobites P.A. Jell and J.M. Adrain.