{{Short description|Species of fish}} {{Speciesbox | image = Radiicephalus elongatus.JPG | status = LC | status_system = IUCN3.1 | status_ref = <ref name="iucn status 18 November 2021">{{cite iucn |author=Smith-Vaniz, W.F. |date=2015 |title=''Radiicephalus elongatus'' |volume=2015 |article-number=e.T21112632A21911475 |doi=10.2305/IUCN.UK.2015-4.RLTS.T21112632A21911475.en |access-date=18 November 2021}}</ref> | grandparent_authority = Osório, 1917 | parent_authority = Osório, 1917 | taxon = Radiicephalus elongatus | authority = Osório, 1917 }}

'''''Radiicephalus''''' is a genus of fishes in the monotypic family ''Radiicephalidae''. It was formerly thought to be a monotypic genus, comprising the single species ''Radiicephalus elongatus'', commonly known as tapertail, until the 2018 description of ''Radiicephalus kessinger''. It is a marine fish found in the central and eastern Atlantic and eastern Pacific Ocean. This species grows to {{cvt|76|cm|in}} in total length.

== Species == There are currently two valid described species:<ref>{{Cof genus|Radiicephalus|access-date=22 May 2022}}</ref> *''Radiicephalus elongatus'' {{small|Osório, 1917}} *''Radiicephalus kessinger'' {{small|Koeda & Ho, 2018}}

==References== {{Reflist}}

==External links== * {{FishBase |genus= Radiicephalus|species= elongatus| month = April | year = 2012}} *{{ITIS|id=615907|taxon=''Radiicephalus'' Osório, 1917 |accessdate=October 19, 2011}} *[http://www.discoverlife.org/mp/20o?search=Radiicephalidae Discover Life]

{{Taxonbar|from=Q140242}} {{Authority control}}

Category:Lampriformes Category:Fish described in 1917

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