Pionaspis (Cyathaspididae)

Taxonavigation: Cyathaspidida
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: †Cyathaspididae
Subfamilia: †Cyathaspidinae
Genus: †Pionaspis

Species: †P. acuticosta – †P. amplissima – †P. planticosta

Name

†Pionaspis Denison, 1964

References

• Denison, R.H. 1964. The Cyathaspididae. A family of Silurian and Devonian jawless vertebrates. Fieldiana 13(5): 309–473. Reference page.