Protacanthopterygii

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Protacanthopterygii
Atlantic salmon (Salmo salar)
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]

[edit] References

  1. ^ A Dictionary of Zoology 1999, originally published by Oxford University Press 1999
  2. ^ (2007). In Encyclopædia Britannica. Retrieved November 17, 2007, from Encyclopædia Britannica Online: http://www.britannica.com/eb/article-63657

[edit] External links

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

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