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Notacanthiformes

Notacanthiformes (subclass Actinopterygii, superorder Elopomorpha) An order of deep-sea fish that have elongate, tapering bodies terminating in a very small tail fin. The pelvic fins are located on the abdomen slightly ahead of the origin of the dorsal fin. All species have a long anal fin and a ventrally positioned mouth. The order includes the spiny eels (Notacanthidae) and other deep-sea fish.

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"Notacanthiformes." A Dictionary of Zoology. . Encyclopedia.com. 22 Sep. 2017 <http://www.encyclopedia.com>.

"Notacanthiformes." A Dictionary of Zoology. . Encyclopedia.com. (September 22, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/notacanthiformes

"Notacanthiformes." A Dictionary of Zoology. . Retrieved September 22, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/notacanthiformes

Heteromi

Heteromi A group of deep-sea fish that are now included in the order Notacanthiformes.

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"Heteromi." A Dictionary of Zoology. . Encyclopedia.com. 22 Sep. 2017 <http://www.encyclopedia.com>.

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"Heteromi." A Dictionary of Zoology. . Retrieved September 22, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/heteromi