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→Hexanchiformes
*Kitefin sharks (Dalatiidae, 10 species)
*Kitefin sharks (Dalatiidae, 10 species)
====[[Hexanchiformes]]====
====[[Hexanchiformes]]====
[[File:Sevengill shark.jpg|right|200px|thumb|Broadnose sevengill shark (''Notorynchus cepedianus'')]]
Deep-water sharks, identifiable by the presence of six or seven gill slits (cow sharks); or a shape reminiscent of an eel (frilled sharks)
Deep-water sharks, identifiable by the presence of six or seven gill slits (cow sharks); or a shape reminiscent of an eel (frilled sharks)
*Frilled sharks (Chlamydoselachidae, 2 species)
*Frilled sharks (Chlamydoselachidae, 2 species)
*Cow sharks (Hexanchidae, 3 species)
*Cow sharks (Hexanchidae, 3 species)
====[[Pristiophoriformes]]====
====[[Pristiophoriformes]]====
Sharks identified by a long snout bearing variably-sized teeth on either side, similar in appearance to [[sawfish]].
Sharks identified by a long snout bearing variably-sized teeth on either side, similar in appearance to [[sawfish]].