Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Superclassis/Classis: †Pteraspidomorphi
Subclassis: †Heterostraci
Ordo: †Cyathaspidiformes
Subordo: †Cyathaspidida
Familia: †Ctenaspididae
Genus: †Allocryptaspis

Species: †Allocryptaspis utahensis

Name

†Allocryptaspis utahensis Denison, 1953

• Holotype: CNHM PF 737, associated dorsal shield, ventral shield, and numerous scales.
• Horizon: Early Devonian, near base of Water Canyon Formation.
• Locality: Cottonwood Canyon (locality G), NW. 1/4, sec. 18, T. 13 N., R. 3 E., Cache County, Utah.

References

• Denison, R.H. 1953. Early Devonian fishes from Utah. Part II. Heterostraci. Fieldiana Geology 11(7): 291–355. Reference page.