Polyipnus
| Polyipnus Temporal range: Early Oligocene to Present
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| Threelight Hatchetfish (Polyipnus triphanos) | |
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Polyipnus
Günther, 1887
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| Diversity | |
| 32 species | |
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Polyipnus is an oceanic ray-finned fish genus which belongs in the family Sternoptychidae. This is the largest genus of the marine hatchetfishes (Sternoptychinae) and indeed of the entire Sternoptychidae. It is not quite as apomorphic as their relatives; it may be that the genus is actually a paraphyletic assemblage of less advanced Sternoptychinae and would need to be split.
Species
There are currently 32 recognized species in this genus:[1]
Fossils of this genus show that they have existed at least since the Early Oligocene, about 30 million years ago.[2]
References
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Wikimedia Commons has media related to [[commons:Lua error in Module:WikidataIB at line 506: attempt to index field 'wikibase' (a nil value).|Lua error in Module:WikidataIB at line 506: attempt to index field 'wikibase' (a nil value).]]. |
- ↑ Froese, Rainer, and Daniel Pauly, eds. (2012). Species of Polyipnus in FishBase. February 2012 version.
- ↑ Sepkoski, Jack (2002): [Polyipnus]. In: A compendium of fossil marine animal genera. Bulletin of American Paleontology 364: 560. HTML database excerpt
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