Ischnacanthiformes
From Wikispecies
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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Cladus: Chordata Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: †Acanthodii
Ordo: Ischnacanthiformes
Familiae: Ischnacanthidae - Poracanthodidae
References [edit]
http://media.wiley.com/product_data/excerpt/17/04712503/0471250317.pdf
