{{Short description|Genus of ray-finned fishes}} {{Automatic taxobox | image = Trichiurus lepturus.jpg | image_caption =''Trichiurus lepturus'' | fossil_range = {{fossil range|48.6|0|Eocene - Recent}} | taxon = Trichiurus | authority = Linnaeus, 1758 | type_species = '' Trichiurus lepturus'' | type_species_authority = Linnaeus 1758. }}
'''''Trichiurus''''' is a genus of cutlassfishes belonging to the family Trichiuridae.
==Species== Species within this genus include:<ref>{{Cof genus|genus=Trichiurus|access-date=7 December 2025}}</ref>
* ''Trichiurus auriga'', <small>Klunzinger, 1884</small> (Pearly hairtail) * ''Trichiurus australis'' <small>Chakraborty, Burhanuddin & Iwatsuki, 2005</small> <ref>{{cite journal | journal = Ichthyological Research | doi = 10.1007/s10228-005-0268-4 | volume = 52 | issue = 2 | year = 2005 | pages = 165–170 | title = A new species, ''Trichiurus australis'' (Perciformes: Trichiuridae), from Australia |author1=Anirban Chakraborty |author2=Andi Iqbal Burhanuddin |author3=Yukio Iwatsuki | bibcode = 2005IchtR..52..165C | s2cid = 6377460 }}</ref> * ''Trichiurus brevis'', <small>Wang & You, 1992</small> (Chinese short-tailed hairtail) * ''Trichiurus gangeticus'', <small>Gupta, 1966</small> (Ganges hairtail) * ''Trichiurus japonicus'', <small>Temminck & Schlegel, 1844</small> (Japanese cutlassfish) * ''Trichiurus lepturus'', <small>Linnaeus, 1758</small> (Largehead hairtail) * ''Trichiurus margarites'', <small>Li, 1992</small> * ''Trichiurus nanhaiensis'', <small>Wang & Xu, 1992</small> * ''Trichiurus nickolensis'', <small>Burhanuddin & Iwatsuki, 2003</small> (Australian short-tailed hairtail) * ''Trichiurus nitens'', <small>Garman, 1899</small> * ''Trichiurus russelli'', <small>Dutt & Thankam, 1966</small> (Short-tailed hairtail)
==Extinct species== Extinct species within this genus include: * {{extinct}}''Trichiurus miocaenus'' <small>Delfortrie, 1876</small> * {{extinct}}''Trichiurus oshoshunensis'' <small>White, 1926</small> <ref>{{cite web |title=''Trichiurus'' |url=http://www.dinofan.com/dfAnimals/LifeForm_Detail.aspx?SBID=45113 |website=The dinosaur fan |url-status=dead |archive-date=2015-09-23 |archive-url=https://web.archive.org/web/20150923214847/http://www.dinofan.com/dfAnimals/LifeForm_Detail.aspx?SBID=45113 }}</ref> * {{extinct}}''Trichiurus plicidens'' <small>Arambourg, 1952</small>
Extinct species lived from the Eocene epoch to the Quaternary period, approximately from 48.6 to 0.012 million years ago. Fossils have been found in the Eocene sediments of Antarctica, Nigeria, United Kingdom, United States, in the Miocene of Costa Rica, India, Mexico, Panama, Slovakia and in the Quaternary of United States.<ref name=aa>{{cite web|url=https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=36223|title= ''Trichiurus'' Linnaeus 1758 (ray-finned fish)|website=The Paleobiology Database}}</ref><ref>{{cite journal|author=Douglas J. Long|url=https://www.researchgate.net/publication/261985279 |title=Fossil cutlassfish (Perciformes: Trichiuridae) teeth from the La Meseta Formation (Eocene), Seymour Island, Antarctic Peninsula |date=January 1991|journal= Paleobios|volume= 13|pages= 3–6}}</ref>
==References== {{Commons category}} {{Wikispecies}} {{Reflist}}
* {{cite journal | last = Sepkoski | first = Jack | title = A compendium of fossil marine animal genera | journal = Bulletins of American Paleontology | volume = 364 |page=560 | year = 2002 | url = http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class }}
{{Taxonbar|from=Q1922239}} {{Authority control}}
Category:Trichiuridae Category:Actinopterygii genera Category:Extant Eocene first appearances Category:Marine fish genera Category:Animal taxa named by Carl Linnaeus {{Scombroidei-stub}}