Domain Eukarya
Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Superclass Pisces
Class Osteichthyes
Subclass Actinopterygii (ray-finned fishes)
Superorder Protacanthopterygii or Division Teleostei
Order Salmoniformes
Suborder  Salmonoidei
Family Salmonidae

The salmon/trout family, containing 11 genera and about 66 species of fish, distributed all over the world, in freshwater and saltwater environments.  Some species are variously termed "salmon", "trout", "char", and "cisco", all important food fish.

The two most important defining characteristics of Salmonidae appear to be the small adipose fin just in front of the tail, and a visible lateral line down each side of the fish.

Several extinct genera of Salmonoidei (such as Paleolox) may or may not be placeable within the Salmonidae.

Subfamily Corgoninae:

Subfamily Thymallinae: Subfamily Salmoninae:

Ichthyology Course BIO354L, University of Texas at Austin, Spring 2002 syllabus - Protacanthopterygii

Mikko's Phylogeny Archive

Ron Coleman, Cichlid Research

Froese, R. and D. Pauly. Editors. 2002. FishBase.
World Wide Web electronic publication., 09 May 2002
Family Summary - Salmonidae

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