Gnathia is a genus of isopod crustaceans, containing the following species: \n* Gnathia africana Barnard, 1914 \n* Gnathia albescens Hansen, 1916 \n* Gnathia alces Monod, 1926 \n* Gnathia andrei Pires, 1996 \n* Gnathia antarctica (Studer, 1883) \n* Gnathia antonbruunae Kensley, Schotte & Poore, 2009 \n* Gnathia arabica Schotte, 1995 \n* Gnathia arctica Gurjanova, 1929 \n* Gnathia asperifrons Holdich & Harrison, 1980 \n* Gnathia aureola Stebbing, 1900 \n* Gnathia aureumaculosa Ferreiera, Smit, Grutter & Davies, 2009 \n* Gnathia barnardi Smit & Basson, 2002 \n* Gnathia beethoveni Paul & Menzies, 1971 \n* Gnathia bengalensis Kumari, Hanumantha, Rao & Shyamasundari, 1993 \n* Gnathia biorbis Holdich & Harrison, 1980 \n* Gnathia brachyuropus Monod, 1926 \n* Gnathia brucei George, 2003 \n* Gnathia bungoensis Nunom