Protacanthopterygii
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Protacanthopterygii
Atlantic salmon (Salmo salar)
Scientific classification
Domain: Eukaryota Kingdom: Animalia Subkingdom: Eumetazoa Superphylum: Deuterostomia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Superclass: Osteichthyes Class: Actinopterygii Subclass: Neopterygii Infraclass: Teleostei Superorder: Protacanthopterygii
Order
Esociformes Osmeriformes Salmoniformes

Protacanthopterygii is the taxon superorder of bony ray-finned fish.^[1]

Protacanthopterygii is composed of primitive teleosts. Their common fish anatomy usually include: lack of specialization; greater than 24 vertebrae; adipose fin; mesocoracoid bone; glossohyal teeth; non-protrusible upper jaw ; proethmoid and several perichondral ethmoid bones commissural fibers; one supraorbital foramen and no gular plate.^[2]

References

External links

• Protacanthopterygii (TSN 161928). Integrated Taxonomic Information System. Retrieved on 17 November 2007.
• Animal Diversity

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