Gammarus acalceolatus Pinkster, 1970 (additional source)
Gammarus aquaticus Leach, 1816 accepted as Gammarus pulex (Linnaeus, 1758) (source of synonymy)
Gammarus arduus G. Karaman, 1975 (additional source)
Gammarus bergi Martinov, 1930 (additional source)
Gammarus birsteini Karaman & Pinkster, 1977 (basis of record)
Gammarus birsteini Karaman & Pinkster, 1977 (original description)
Gammarus crenulatus G.S. Karaman & Pinkster, 1977 (original description)
Gammarus delebecquei Chevreux & de Guerne, 1892 accepted as Gammarus fossarum Koch, 1836 (basis of record)
Gammarus effultus G. Karaman, 1975 (additional source)
Gammarus fluviatilis var. zachariasi Garbini, 1895 accepted as Gammarus pulex (Linnaeus, 1758) (basis of record)
Gammarus frater Karaman & Pinkster, 1977 (original description)
Gammarus gauthieri (S. Karaman, 1935) (basis of record)
Gammarus ibericus Margalef, 1951 (additional source)
Gammarus inberbus Karaman & Pinkster, 1977 (original description)
Gammarus italicus Goedmakers & Pinkster, 1977 (additional source)
Gammarus kischineffensis Schellenberg, 1937 (additional source)
Gammarus komareki Schäferna, 1923 (additional source)
Gammarus laborifer Karaman & Pinkster, 1977 (original description)
Gammarus lacustris G.O. Sars, 1863 (additional source)
Gammarus laticoxalis Karaman & Pinkster, 1977 (original description)
Gammarus monspeliensis Pinkster, 1972 (additional source)
Gammarus monspeliensis agrarius G. Karaman, 1973 accepted as Gammarus agrarius G. Karaman, 1973 (source of synonymy)
Gammarus osellai Karaman & Pinkster, 1977 (original description)
Gammarus polymorphus Helpher, 1914 accepted as Gammarus pulex (Linnaeus, 1758) (source of synonymy)
Gammarus pseudosyriacus Karaman & Pinkster, 1977 (original description)
Gammarus pseudosyriacus pseudosyriacus Karaman & Pinkster, 1977 (original description)
Gammarus pulex (Linnaeus, 1758) (redescription)
Gammarus pulex araurensis Pinkster, 1972 (redescription)
Gammarus pulex cognominis Karaman & Pinkster, 1977 (original description)
Gammarus pulex fossarum Margalef, 1951 accepted as Gammarus fossarum Koch, 1836 (basis of record)
Gammarus pulex gallicus (S. Karaman, 1931) (redescription)
Gammarus pulex polonensis Karaman & Pinkster, 1977 (original description)
Gammarus pulex var. subterraneus Schneider, 1885 accepted as Gammarus fossarum Koch, 1836 (basis of record)
Gammarus rouxi Pinkster & Goedmakers, 1975 (additional source)
Gammarus syriacus Chevreux, 1895 (additional source)
Gammarus uludagi G.S. Karaman, 1975 (additional source)
Gammarus varsoviensis Jazdzewski, 1975 (identification resource)
Gammarus vignai Pinkster & Karaman, 1978 (basis of record)
Gammarus wautieri A. L. Roux, 1967 (additional source)
Rivulogammarus brachyurus Birstein, 1935 represented as Gammarus birsteini Karaman & Pinkster, 1977 (new combination reference)
Rivulogammarus pulex rambouseki S. Karaman, 1931 accepted as Gammarus rambouseki S. Karaman, 1931 (additional source)

Afghanistan for Gammarus pseudosyriacus Karaman & Pinkster, 1977  (origin: native)
Albania for Gammarus arduus G. Karaman, 1975  (origin: native)
Algeria for Gammarus gauthieri (S. Karaman, 1935) 
Asia-Temperate for Gammarus lacustris G.O. Sars, 1863 
Austria for Gammarus fossarum Koch, 1836  (origin: native)
Belgium for Gammarus fossarum Koch, 1836  (origin: native)
Bulgaria for Gammarus arduus G. Karaman, 1975  (origin: native)
Bulgaria for Gammarus fossarum Koch, 1836  (origin: native)
Bulgaria for Gammarus komareki Schäferna, 1923  (origin: native)
Bulgaria for Gammarus komareki Schäferna, 1923  (origin: native)
Bulgaria for Gammarus pulex cognominis Karaman & Pinkster, 1977  (origin: native - endemic)
Bulgaria for Gammarus pulex cognominis Karaman & Pinkster, 1977  (origin: native - endemic)
Czech Republic for Gammarus fossarum Koch, 1836  (origin: native)
Egypt for Gammarus syriacus Chevreux, 1895  (origin: native)
Europe for Gammarus lacustris G.O. Sars, 1863 
France for Gammarus fossarum Koch, 1836  (origin: native)
France for Gammarus ibericus Margalef, 1951  (origin: native)
France for Gammarus monspeliensis Pinkster, 1972  (origin: native - endemic)
France for Gammarus monspeliensis Pinkster, 1972  (origin: native - endemic)
France for Gammarus pulex gallicus (S. Karaman, 1931)  (origin: native - endemic)
France for Gammarus wautieri A. L. Roux, 1967  (origin: native)
France for Gammarus wautieri A. L. Roux, 1967  (origin: native)
Germany for Gammarus fossarum Koch, 1836  (origin: native)
Germany for Gammarus fossarum Koch, 1836  (origin: native)
Germany for Gammarus varsoviensis Jazdzewski, 1975  (origin: alien)
Greece for Gammarus arduus G. Karaman, 1975  (origin: native)
Greece for Gammarus crenulatus G.S. Karaman & Pinkster, 1977 
Greece for Gammarus crenulatus G.S. Karaman & Pinkster, 1977 
Greece for Gammarus fossarum Koch, 1836  (origin: native)
Greece for Gammarus komareki Schäferna, 1923  (origin: native)
Greece for Gammarus rambouseki S. Karaman, 1931  (origin: native)
Greece for Gammarus uludagi G.S. Karaman, 1975  (origin: native)
Hungary for Gammarus fossarum Koch, 1836  (origin: native)
Iran for Gammarus komareki Schäferna, 1923  (origin: native)
Israel for Gammarus pseudosyriacus Karaman & Pinkster, 1977  (origin: native)
Israel for Gammarus syriacus Chevreux, 1895  (origin: native)
Italy for Gammarus fossarum Koch, 1836  (origin: native)
Italy for Gammarus italicus Goedmakers & Pinkster, 1977  (origin: native)
Kazakhstan for Gammarus bergi Martinov, 1930  (origin: native - endemic)
Kazakhstan for Gammarus birsteini Karaman & Pinkster, 1977  (origin: native)
Kazakhstan for Gammarus inberbus Karaman & Pinkster, 1977  (origin: native - endemic)
Lebanon for Gammarus laborifer Karaman & Pinkster, 1977  (origin: native)
Lebanon for Gammarus syriacus Chevreux, 1895  (origin: native)
Luxembourg for Gammarus fossarum Koch, 1836  (origin: native)
Macedonia for Gammarus rambouseki S. Karaman, 1931  (origin: native)
Macedonia for Gammarus rambouseki S. Karaman, 1931  (origin: native)
Moldova for Gammarus komareki Schäferna, 1923  (origin: native)
Morocco for Gammarus acalceolatus Pinkster, 1970  (origin: native - endemic)
Morocco for Gammarus gauthieri (S. Karaman, 1935)  (origin: native)
Morocco for Gammarus rouxi Pinkster & Goedmakers, 1975  (origin: native - endemic)
Netherlands for Gammarus fossarum Koch, 1836  (origin: native)
Northern America for Gammarus lacustris G.O. Sars, 1863 
Poland for Gammarus fossarum Koch, 1836  (origin: native)
Poland for Gammarus pulex polonensis Karaman & Pinkster, 1977  (origin: native - endemic)
Romania for Gammarus arduus G. Karaman, 1975 
Romania for Gammarus fossarum Koch, 1836  (origin: native)
Romania for Gammarus kischineffensis Schellenberg, 1937  (origin: native)
Sardegna for Gammarus italicus Goedmakers & Pinkster, 1977  (origin: native)
Slovakia for Gammarus fossarum Koch, 1836  (origin: native)
Spain for Gammarus gauthieri (S. Karaman, 1935) 
Spain for Gammarus ibericus Margalef, 1951  (origin: native)
Spain for Gammarus ibericus Margalef, 1951  (origin: native)
Sweden for Gammarus pulex (Linnaeus, 1758)  (origin: native)
Switzerland for Gammarus fossarum Koch, 1836  (origin: native)
Syria for Gammarus laborifer Karaman & Pinkster, 1977  (origin: native)
Syria for Gammarus laborifer Karaman & Pinkster, 1977  (origin: native)
Syria for Gammarus laticoxalis Karaman & Pinkster, 1977  (origin: native - endemic)
Syria for Gammarus pseudosyriacus Karaman & Pinkster, 1977  (origin: native)
Syria for Gammarus syriacus Chevreux, 1895  (origin: native)
Tunisia for Gammarus gauthieri (S. Karaman, 1935) 
Turkey for Gammarus agrarius G. Karaman, 1973  (origin: native)
Turkey for Gammarus arduus G. Karaman, 1975  (origin: native)
Turkey for Gammarus arduus G. Karaman, 1975  (origin: native)
Turkey for Gammarus birsteini Karaman & Pinkster, 1977  (origin: native)
Turkey for Gammarus effultus G. Karaman, 1975  (origin: native - endemic)
Turkey for Gammarus fossarum Koch, 1836  (origin: native)
Turkey for Gammarus kischineffensis Schellenberg, 1937 
Turkey for Gammarus komareki Schäferna, 1923  (origin: native)
Turkey for Gammarus laborifer Karaman & Pinkster, 1977  (origin: native)
Turkey for Gammarus osellai Karaman & Pinkster, 1977  (origin: native)
Turkey for Gammarus osellai Karaman & Pinkster, 1977  (origin: native)
Turkey for Gammarus pseudosyriacus Karaman & Pinkster, 1977  (origin: native)
Turkey for Gammarus uludagi G.S. Karaman, 1975  (origin: native)
Turkey for Gammarus uludagi G.S. Karaman, 1975  (origin: native)
Turkey for Gammarus vignai Pinkster & Karaman, 1978  (origin: native - endemic)
Ukraine for Gammarus kischineffensis Schellenberg, 1937  (origin: native)
Ukraine for Gammarus kischineffensis Schellenberg, 1937  (origin: native)
Ukraine for Gammarus komareki Schäferna, 1923  (origin: native)
Yugoslavia for Gammarus fossarum Koch, 1836  (origin: native)

 Habitat

 for Gammarus pulex polonensis Karaman & Pinkster, 1977

Subterranean [details]