Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: †Acanthodii
Ordo: †Acanthodiformes
Familia: Mesacanthidae
Genera: Melanoacanthus - Mesacanthus - Triazeugacanthus - Lodeacanthus
References
http://media.wiley.com/product_data/excerpt/17/04712503/0471250317.pdf
Retrieved from "http://en.wikipedia.org/"
All text is available under the terms of the GNU Free Documentation License