Os gnafosídeos (Gnaphosidae) são uma família de aranhas araneomorfas de cores escuros e grandes fieiras tubulares. O prossoma das espécies integradas nesta família são alargados na parte anterior, embora existam excepções. Os olhos formam duas linhas. O abdómen é ovalado, estrito e pontiagudo na sua parte posterior. A maior parte das espécies que integram esta família são nocturnas, escondendo-se durante o dia debaixo de pedras ou entre detritos.

Géneros: A família Gnaphosidae inclui os seguintes géneros:

• Allomicythus Ono, 2009
• Allozelotes Yin & Peng, 1998
• Amazoromus Brescovit & Höfer, 1994
• Amusia Tullgren, 1910
• Anagraphis Simon, 1893
• Aneplasa Tucker, 1923
• Anzacia Dalmas, 1919
• Aphantaulax Simon, 1878
• Apodrassodes Vellard, 1924
• Apodrassus Chamberlin, 1916
• Apopyllus Platnick & Shadab, 1984
• Aracus Thorell, 1887
• Asemesthes Simon, 1887
• Asiabadus Roewer, 1961
• Australoechemus Schmidt & Piepho, 1994
• Battalus Karsch, 1878
• Benoitodes Platnick, 1993
• Berinda Roewer, 1928
• Berlandina Dalmas, 1922
• Brasilomma Brescovit, Ferreira & Rheims, 2012
• Cabanadrassus Mello-Leitão, 1941
• Callilepis Westring, 1874
• Camillina Berland, 1919
• Canariognapha Wunderlich, 2011
• Ceryerda Simon, 1909
• Cesonia Simon, 1893
• Cladothela Kishida, 1928
• Coillina Yin & Peng, 1998
• Coreodrassus Paik, 1984
• Cryptodrassus Miller, 1943
• Cubanopyllus Alayón & Platnick, 1993
• Diaphractus Purcell, 1907
• Drassodes Westring, 1851
• Drassodex Murphy, 2007
• Drassyllus Chamberlin, 1922
• Echemella Strand, 1906
• Echemographis Caporiacco, 1955
• Echemoides Mello-Leitão, 1938
• Echemus Simon, 1878
• Eilica Keyserling, 1891
• Encoptarthria Main, 1954
• Epicharitus Rainbow, 1916
• Fedotovia Charitonov, 1946
• Gertschosa Platnick & Shadab, 1981
• Gnaphosa Latreille, 1804
• Haplodrassus Chamberlin, 1922
• Hemicloea Thorell, 1870
• Herpyllus Hentz, 1832
• Heser Tuneva, 2005
• Hitobia Kamura, 1992
• Homoeothele Simon, 1908
• Hongkongia Song & Zhu, 1998
• Hypodrassodes Dalmas, 1919
• Ibala Fitzpatrick, 2009
• Intruda Forster, 1979
• Kaitawa Forster, 1979
• Kishidaia Yaginuma, 1960
• Ladissa Simon, 1907
• Laronius Platnick & Deeleman-Reinhold, 2001
• Latonigena Simon, 1893
• Leptodrassex Murphy, 2007
• Leptodrassus Simon, 1878
• Leptopilos Levy, 2009
• Litopyllus Chamberlin, 1922
• Macarophaeus Wunderlich, 2011
• Matua Forster, 1979
• Megamyrmaekion Reuss, 1834
• Micaria Westring, 1851
• Microdrassus Dalmas, 1919
• Microsa Platnick & Shadab, 1977
• Micythus Thorell, 1897
• Minosia Dalmas, 1921
• Minosiella Dalmas, 1921
• Nauhea Forster, 1979
• Nodocion Chamberlin, 1922
• Nomisia Dalmas, 1921
• Notiodrassus Bryant, 1935
• Odontodrassus Jézéquel, 1965
• Orodrassus Chamberlin, 1922
• Parabonna Mello-Leitão, 1947
• Parasyrisca Schenkel, 1963
• Phaeocedus Simon, 1893
• Poecilochroa Westring, 1874
• Pseudodrassus Caporiacco, 1935
• Pterotricha Kulczynski, 1903
• Pterotrichina Dalmas, 1921
• Sanitubius Kamura, 2001
• Scopoides Platnick, 1989
• Scotocesonia Caporiacco, 1947
• Scotognapha Dalmas, 1920
• Scotophaeus Simon, 1893
• Sergiolus Simon, 1891
• Sernokorba Kamura, 1992
• Setaphis Simon, 1893
• Shiragaia Paik, 1992
• Sidydrassus Esyunin & Tuneva, 2002
• Smionia Dalmas, 1920
• Sosticus Chamberlin, 1922
• Symphanodes Rainbow, 1916
• Synaphosus Platnick & Shadab, 1980
• Talanites Simon, 1893
• Talanitoides Levy, 2009
• Titus O. Pickard-Cambridge, 1901
• Trachyzelotes Lohmander, 1944
• Trephopoda Tucker, 1923
• Trichothyse Tucker, 1923
• Turkozelotes Kovblyuk & Seyyar, 2009
• Urozelotes Mello-Leitão, 1938
• Vectius Simon, 1897
• Xenoplectus Schiapelli & Gerschman, 1958
• Xerophaeus Purcell, 1907
• Xizangia Song, Zhu & Zhang, 2004
• Zelanda Özdikmen, 2009
• Zelominor Snazell & Murphy, 1997
• Zelotes Gistel, 1848
• Zelotibia Russell-Smith & Murphy, 2005
• Zelowan Murphy & Russell-Smith, 2010
• Zimiromus Banks, 1914
• †Captrix Petrunkevitch, 1942
• †Drassyllinus Wunderlich, 1988
• †Eognaphosops Wunderlich, 2011
• †Eomactator Petrunkevitch, 1958
• †Palaeodrassus Petrunkevitch, 1922
• †Zelotetis Wunderlich, 2011