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: †Traquairaspidiformes
Familia: †Eriptychiidae

Genus: †Eriptychius

Name

†Eriptychiidae Tarlo, 1962

• Type genus: †Eriptychius Walcott, 1892

References

• Tarlo, L.B. 1962. The classification and evolution of the Heterostraci (Klasyfikaeja i ewolucja Heterostraci). Acta Palaeontologica Polonika 7(1/2): 249-290.Reference page. 
• Van der Laan, R. 2018. Family-group names of fossil fishes. European Journal of Taxonomy 466: 1-167 DOI: 10.5852/ejt.2018.466 Reference page.