巨顎水虱屬（學名：_Gnathia_）為巨顎水虱科的一個屬。



下屬物種

本屬包括以下物種：


* _Gnathia acrorudus_ Svavarsson & Bruce, 2019

* 非洲巨顎水虱 _Gnathia africana_ Barnard, 1914

* _Gnathia albescens_ Hansen, 1916

* _Gnathia albipalpebrata_ Ota, 2014

* _Gnathia alces_ Monod, 1926

* _Gnathia andrei_ Pires, 1996

* _Gnathia antonbruunae_ Kensley, Schotte & Poore, 2009

* _Gnathia arabica_ Schotte, 1995

* _Gnathia asperifrons_ Holdich & Harrison, 1980

* _Gnathia aureamaculosa_ Ferreira & Smit, 2009

* _Gnathia aureola_ Stebbing, 1900

* _Gnathia aureumaculosa Ferreira,_ Smit, Grutter & Davies, 2009

* _Gnathia beethoveni_ Paul & Menzies, 1971

* _Gnathia bengalensis_ Kumari, Hanumantha Rao & Shyamasundari, 1993

* _Gnathia bermudensis_ Hadfield, Schizas, Chatterjee & Smit, 2019

* _Gnathia biorbis_ Holdich & Harrison, 1980

* _Gnathia brachyuropus_ Monod, 1926

* _Gnathia brucei_ George, 2003

* _Gnathia bungoensis_ Nunomura, 1982

* _Gnathia calamitosa_ Monod, 1926

* _Gnathia calmani_ Monod, 1926

* _Gnathia calsi_ Müller, 1993

* _Gnathia camponotus_ Cohen & Poore, 1994

* _Gnathia camuripenis_ Tanaka, 2004

* _Gnathia capillata_ Nunomura & Honma, 2004

* _Gnathia capricornica_ Svavarsson & Bruce, 2019

* _Gnathia carinodenta_ Svavarsson & Bruce, 2019

* _Gnathia clementensis_ Schultz, 1966

* _Gnathia cooki_ Müller, 1989

* _Gnathia coralmaris_ Svavarsson & Bruce, 2012

* _Gnathia cornuta_ Holdich & Harrison, 1980

* _Gnathia coronadoensis_ Schultz, 1966

* _Gnathia dejimagi_ Ota, 2014

* _Gnathia dentata_ (G.O.Sars, 1872)

* _Gnathia derzhavini_ Gurjanova, 1933

* _Gnathia disjuncta_ Barnard, 1920

* _Gnathia elementensis_ Schultz, 1966

* _Gnathia epopstruma_ Cohen & Poore, 1994

* _Gnathia eumeces_ Kensley, Schotte & Poore, 2009

* _Gnathia excavata_ Ota, 2012

* _Gnathia falcipenis_ Holdich & Harrison, 1980

* _Gnathia fallax_ Monod, 1926

* _Gnathia firingae_ Müller, 1991

* _Gnathia formosa_ Svavarsson & Bruce, 2019

* _Gnathia fragilis_ Schultz, 1977

* _Gnathia glauca_ Kensley, Schotte & Poore, 2009

* _Gnathia glaucostega_ Svavarsson & Bruce, 2019

* _Gnathia gonzalezi_ Müller, 1988

* _Gnathia grandilaris_ Coetzee, Smit, Grutter & Davies, 2008

* _Gnathia grutterae_ M.Ferreira, N.Smit & A.Davies, 2010

* _Gnathia gurjanovae_ Golovan, 2006

* _Gnathia halei_ Cals, 1973

* _Gnathia hamletgast_ Svavarsson & Bruce, 2012

* _Gnathia hemingwayi_ Ortiz & Lalana, 1997

* _Gnathia hirayamai_ Nunomura

* _Gnathia hirsuta_ Schultz, 1966

* _Gnathia illepidus_ (Wagner, 1869)

* _Gnathia incana_ Menzies & George, 1972

* _Gnathia indoinsularis_ Svavarsson & Jorundsdottir, 2004

* _Gnathia inopinata_ Monod, 1925

* _Gnathia iridomyrmex_ Cohen & Poore, 1994

* _Gnathia johanna_ Monod, 1926

* _Gnathia johanni_ Monod

* _Gnathia koreana_ Song & Ming, 2018

* _Gnathia kumejimensis_ Ota, 2012

* _Gnathia lacunacapitalis_ Menzies & George, 1972

* _Gnathia latidens_ (Beddard, 1886)

* _Gnathia lignophila_ Müller, 1993

* _Gnathia limicola_ Ota & Tanaka, 2007

* _Gnathia luxata_ Kensley, Schotte & Poore, 2009

* _Gnathia maculosa Ota &_ Hirose, 2009

* _Gnathia magdalenensis_ Müller, 1988

* _Gnathia malaysiensis_ Müller, 1993

* _Gnathia margaritarum_ Monod, 1926

* _Gnathia marionis_ Svavarsson & Bruce, 2012

* _Gnathia marleyi_ Farquharson, Smit & Sikkel, 2012

* _Gnathia masca_ Farquharson & Smit, 2012

* _Gnathia maxillaris_ (Montagu, 1804)

* _Gnathia meticola_ Holdich & Harrison, 1980

* _Gnathia micheli_ Ortiz, Winfield & Varela, 2012

* _Gnathia mortenseni_ Monod, 1926

* _Gnathia mulieraria_ Hale, 1924

* _Gnathia mutsuensis_ Nunomura, 2004

* _Gnathia mystrium_ Cohen & Poore, 1994

* _Gnathia nasuta_ Nunomura, 1992

* _Gnathia nicembola_ Müller, 1989

* _Gnathia nkulu_ Smit & Van As, 2000

* _Gnathia notostigma_ Cohen & Poore, 1994

* _Gnathia nubila_ Ota & Hirose, 2009

* _Gnathia odontomachus_ Cohen & Poore, 1994

* _Gnathia oxyuraea_ (Lilljeborg, 1855)

* _Gnathia oxyurea_ (Lilljeborg, 1852) 1926

* _Gnathia panousei_ Daguerre de Hureaux, 1971

* _Gnathia pantherina_ Smit & Basson, 2002

* _Gnathia parvirostrata_ Ota, 2014

* _Gnathia perimulica_ Monod, 1926

* _Gnathia phallonajopsis_ Monod, 1925

* _Gnathia philogona_ Monod, 1926

* _Gnathia pilosus Hadfield,_ Smit & Avenant-Oldewage, 2008

* _Gnathia piscivora_ Paperna & Por, 1977

* _Gnathia productatridens_ Menzies & Barnard, 1959

* _Gnathia prolasius_ Cohen & Poore, 1994

* _Gnathia puertoricensis_ Menzies & Glynn, 1968

* _Gnathia rathi_ Kensley, 1984

* _Gnathia rectifrons_ Gurjanova, 1933

* _Gnathia rhytidoponera_ Cohen & Poore, 1994

* _Gnathia ricardoi_ Pires, 1996

* _Gnathia rufescens_ Ota, 2015

* _Gnathia samariensis_ Müller, 1988

* _Gnathia sanrikuensis_ Nunomura, 1998

* _Gnathia scabra_ Ota, 2012

* _Gnathia schmidti_ Gurjanova, 1933

* _Gnathia serrula_ Kensley, Schotte & Poore, 2009

* _Gnathia serrulatifrons_ Monod, 1926

* _Gnathia sifae_ Svavarsson, 2006

* _Gnathia somalia_ Kensley, Schotte & Poore, 2009

* _Gnathia spongicola_ Barnard, 1920

* 史蒂文巨顎水虱 _Gnathia steveni_ Menzies, 1962

* _Gnathia stigmacros_ Cohen & Poore, 1994

* _Gnathia stoddarti_ Kensley, Schotte & Poore, 2009

* _Gnathia taprobanensis_ Monod, 1926

* _Gnathia teissieri_ Cals, 1972

* _Gnathia teruyukiae_ Ota, 2011

* _Gnathia tridens_ Menzies & Barnard, 1959

* _Gnathia trilobata_ Schultz, 1966

* _Gnathia trimaculata_ Coetzee, Smit, Grutter & Davies, 2009

* _Gnathia triospathiona_ Boone, 1918

* _Gnathia tuberculata_ Richardson, 1909

* _Gnathia tuberculosa_ (Beddard, 1886)

* _Gnathia ubatuba_ Pires, 1996

* _Gnathia varanus_ Svavarsson & Bruce, 2012

* _Gnathia variobranchia_ Holdich & Harrison, 1980

* _Gnathia vellosa_ Müller, 1988

* _Gnathia venusta_ Monod, 1925

* _Gnathia virginalis_ Monod, 1926

* _Gnathia vorax_ (Lucas, 1849)

* _Gnathia wistari_ Svavarsson & Bruce, 2012

* _Gnathia wisteri_ Svavarsson & Bruce, 2012

* _Gnathia zanzibarensis_ Kensley, Schotte & Poore, 2009

歸入本屬的物種：


* _Anceus forficularius_ Risso, 1816

* _Praniza aldabrensis_ Schoenichen, 1908

* _Praniza javana_ Koehler, 1884

* _Praniza rhinobatis_ Kossmann, 1880

* _Praniza torpedinis_ Walter, 1885

* _Praniza virido-nitens_ Monad, 1926



參考文獻