1. Species Gammarus aequicauda (Martynov, 1931)
2. Species Gammarus annulatus Smith, 1873
3. Species Gammarus chevreuxi Sexton, 1913
4. Species Gammarus crinicornis Stock, 1966
5. Species Gammarus dabanus Tachteew & Mekhanikova, 2000
6. Species Gammarus daiberi Bousfield, 1969
7. Species Gammarus duebeni Lilljeborg, 1852
8. Species Gammarus edwardsii Spence Bate, 1863
9. Species Gammarus fontinalis Costa, 1883
10. Species Gammarus inaequicauda Stock, 1966
11. Species Gammarus insensibilis Stock, 1966
12. Species Gammarus jenneri Bynum & Fox, 1977
13. Species Gammarus lacustris G.O. Sars, 1863
14. Species Gammarus lawrencianus Bousfield, 1956
15. Species Gammarus lecroyae Thoma & Heard, 2009
16. Species Gammarus ledoyeri G. Karaman, 1987
17. Species Gammarus locusta (Linnaeus, 1758)
18. Species Gammarus mucronatus Say, 1818
19. Species Gammarus nox Stock, 1995
20. Species Gammarus oceanicus Segerstråle, 1947
21. Species Gammarus palustris Bousfield, 1969
22. Species Gammarus salinus Spooner, 1947
23. Species Gammarus setosus Dementieva, 1931
24. Species Gammarus spooneri G. Karaman, 1991
25. Species Gammarus subtypicus Stock, 1966
26. Species Gammarus tigrinus Sexton, 1939
27. Species Gammarus wilkitzkii Birula, 1897
28. Species Gammarus zaddachi Sexton, 1912
29. Subgenus Gammarus (Parhomoeogammarus) Schellenberg, 1943 accepted as Chaetogammarus Martynov, 1924 (unaccepted > superseded combination)
    1. Species Gammarus (Parhomoeogammarus) lusitanus Schellenberg, 1943 accepted as Chaetogammarus lusitanus (Schellenberg, 1943) accepted as Parhomoeogammarus lusitanus (Schellenberg, 1943) (unaccepted > superseded combination)
30. Subgenus Gammarus (Pectenogammarus) Reid, 1940 accepted as Pectenogammarus Reid, 1940 (raised to genus level)
    1. Species Gammarus (Pectenogammarus) planicrurus Reid, 1940 accepted as Pectenogammarus planicrurus Reid, 1940 (raised to genus level)
31. Species Gammarus albidus Dana, 1852 accepted as Parelasmopus albidus (Dana, 1852) (unaccepted > superseded combination)
32. Species Gammarus angulosus Rathke, 1843 accepted as Gammarellus angulosus (Rathke, 1843)
33. Species Gammarus anisochir Krøyer, 1845 accepted as Melita anisochir (Krøyer, 1845) accepted as Dulichiella anisochir (Krøyer, 1845) (unaccepted > superseded combination)
34. Species Gammarus anomalus Rathke, 1843 accepted as Microdeutopus anomalus (Rathke, 1843) (Synonym)
35. Species Gammarus anomalus Oldevig, 1959 accepted as Echinogammarus incertae sedis anomalus (Oldevig, 1959) (unaccepted > superseded combination)
36. Species Gammarus asper Dana, 1852 accepted as Maera aspera (Dana, 1852) (unaccepted > superseded combination)
37. Species Gammarus assimilis Liljeborg, 1852 accepted as Cheirocratus assimilis (Lilljeborg, 1852) (unaccepted > superseded combination)
38. Species Gammarus atchensis Brandt, 1851 accepted as Spinulogammarus atchensis (Brandt, 1851) (unaccepted > superseded combination)
39. Species Gammarus atlanticus H. Milne Edwards, 1830 accepted as Ambasia atlantica (H. Milne Edwards, 1830) (unaccepted > superseded combination)
40. Species Gammarus barbimanus Thomson, 1879 accepted as Haplocheira barbimana (Thomson, 1879) (unaccepted > superseded combination)
41. Species Gammarus berilloni Catta, 1878 accepted as Echinogammarus berilloni (Catta, 1878) (unaccepted > superseded combination)
42. Species Gammarus bispinosus A. Costa, 1853 accepted as Liljeborgia bispinosa (A. Costa, 1853) (unaccepted > superseded combination)
43. Species Gammarus brasiliensis Dana, 1853 accepted as Elasmopus brasiliensis (Dana, 1853) (unaccepted > superseded combination)
44. Species Gammarus brevicaudatus H. Milne Edwards, 1830 sensu Spence Bate, 1857 accepted as Elasmopus rapax A. Costa, 1853 (misapplication)
45. Species Gammarus brevicaudatus H. Milne Edwards, 1830 accepted as Gammarella brevicaudata (H. Milne Edwards, 1830) accepted as Gammarella fucicola (Leach, 1814) (unaccepted > superseded combination)
46. Species Gammarus brevicornis Bruzelius, 1859 accepted as Liljeborgia brevicornis (Bruzelius, 1859) represented as Liljeborgia (Liljeborgia) brevicornis (Bruzelius, 1859)
47. Species Gammarus breweri Kunkel, 1910 accepted as Ceradocus breweri (Kunkel, 1910) (unaccepted > superseded combination)
48. Species Gammarus campylops Leach, 1814 accepted as Echinogammarus incertae sedis campylops Leach, 1814 (incertae sedis)
49. Species Gammarus chablensis Cărăușu, 1943 accepted as Shablogammarus chablensis (Cărăușu, 1943) accepted as Shablogammarus shablensis (Cărăușu, 1943) (unaccepted > superseded combination)
50. Species Gammarus confervicolus (Stimpson, 1856) accepted as Eogammarus confervicolus (Stimpson, 1856) (superseded combination)
51. Species Gammarus corniger Fabricius, 1779 accepted as Epimeria cornigera (Fabricius, 1779) accepted as Epimeria (Epimeria) cornigera (Fabricius, 1779) (unaccepted > superseded combination)
52. Species Gammarus dentatus Krøyer, 1842 accepted as Melita dentata (Krøyer, 1842) accepted as Megamoera dentata (Krøyer, 1842) (unaccepted > superseded combination)
53. Species Gammarus dulongii Audouin, 1826 accepted as Tanais dulongii (Audouin, 1826) (unaccepted > superseded combination)
54. Species Gammarus elegans Spence Bate, 1856 accepted as Urothoe elegans Spence Bate, 1857 (unaccepted > nomen nudum)
55. Species Gammarus elongatus Leuckart in Frey & Leuckart, 1847 accepted as Othomaera othonis (H. Milne Edwards, 1830) (unaccepted > junior subjective synonym)
56. Species Gammarus emissitius Dana, 1852 accepted as Dercothoe emissitius (Dana, 1852) (unaccepted > superseded combination)
57. Species Gammarus erythrophthalmus Liljeborg, 1855 accepted as Gammaropsis erythropthalmus Liljeborg, 1855 accepted as Gammaropsis maculata (Johnston, 1828) (unaccepted > superseded combination)
58. Species Gammarus festai Ruffo, 1937 accepted as Pectenogammarus festai (Ruffo, 1937) (unaccepted > superseded combination)
59. Species Gammarus finmarchicus Dahl, 1938 accepted as Echinogammarus finmarchicus (Dahl, 1938) accepted as Echinogammarus incertae sedis finmarchicus (Dahl, 1938) (moved to Echinogammarus)
60. Species Gammarus fissicornis M. Sars, 1858 accepted as Liljeborgia fissicornis (M. Sars, 1858) represented as Liljeborgia (Lilljeborgiella) fissicornis (M. Sars, 1858) (unaccepted > superseded combination)
61. Species Gammarus foxi Schellenberg, 1928 accepted as Echinogammarus foxi (Schellenberg, 1928) accepted as Pectenogammarus foxi (Schellenberg, 1928) (unaccepted > superseded combination)
62. Species Gammarus fresnelii Audouin, 1826 accepted as Melita fresnelii (Audouin, 1826) accepted as Dulichiella fresnelii (Audouin, 1826) (unaccepted > superseded combination)
63. Species Gammarus furcicornis Dana, 1852 accepted as Maera furcicornis (Dana, 1852) (unaccepted > superseded combination)
64. Species Gammarus gryllus Lichtenstein in Mandt, 1822 accepted as Eurythenes gryllus (Lichtenstein in Mandt, 1822) (unaccepted > superseded combination)
65. Species Gammarus hirsuticornis Dana, 1852 accepted as Dercothoe hirsuticornis (Dana, 1852) (unaccepted > superseded combination)
66. Species Gammarus homari (Fabricius, 1779) accepted as Gammarellus homari (J.C. Fabricius, 1779) (superseded combination)
67. Species Gammarus inaequimanus Spence Bate, 1863 accepted as Melita palmata (Montagu, 1804) (unaccepted > junior subjective synonym)
68. Species Gammarus indicus Dana, 1853 accepted as Maera indica (Dana, 1853) (unaccepted > superseded combination)
69. Species Gammarus ischnus Stebbing, 1899 accepted as Echinogammarus ischnus (Stebbing, 1899) accepted as Chaetogammarus ischnus (Stebbing, 1899) (unaccepted > superseded combination)
70. Species Gammarus klaptoczi (Schäferna, 1908) accepted as Echinogammarus klaptoczi Schäferna, 1908 accepted as Echinogammarus incertae sedis klaptoczi Schäferna, 1908
71. Species Gammarus kurgensis Gerstfeldt, 1858 accepted as Maera kurgensis (Gerstfeldt, 1858) (unaccepted > superseded combination)
72. Species Gammarus libellula Lichtenstein in Mandt, 1822 accepted as Themisto libellula (Lichtenstein in Mandt, 1822) (unaccepted > superseded combination)
73. Species Gammarus longicornis J.C. Fabricius, 1779 accepted as Corophium volutator (Pallas, 1766) (unaccepted > junior subjective synonym)
74. Species Gammarus longimanus Spence Bate, 1857 accepted as Othomaera othonis (H. Milne Edwards, 1830) (unaccepted > junior subjective synonym)
75. Species Gammarus loricatus Sabine, 1824 accepted as Gammaracanthus loricatus (Sabine, 1824) (unaccepted > superseded combination)
76. Species Gammarus loveni Bruzelius, 1859 accepted as Maera loveni (Bruzelius, 1859) (unaccepted > superseded combination)
77. Species Gammarus macronyx Liljeborg, 1856 accepted as Protomedeia macronyx (Liljeborg, 1856) accepted as Protomedeia fasciata Krøyer, 1842 (unaccepted > superseded combination)
78. Species Gammarus macropthalmus Stimpson, 1853 accepted as Calliopius macrophthalmus (Stimpson, 1853) accepted as Calliopius laeviusculus (Krøyer, 1838) (unaccepted > superseded combination)
79. Species Gammarus maculatus Johnston, 1828 accepted as Gammaropsis maculata (Johnston, 1828) (unaccepted > superseded combination)
80. Species Gammarus marinus Leach, 1816 accepted as Echinogammarus marinus (Leach, 1816) accepted as Marinogammarus marinus (Leach, 1816) (unaccepted > superseded combination)
81. Species Gammarus minutus G.O. Sars, 1894 accepted as Stenogammarus minutus (G.O.Sars, 1894) accepted as Stenogammarus deminutus (Stebbing, 1906) (unaccepted > superseded combination)
82. Species Gammarus multifasciatus Spence Bate, 1863 accepted as Gammarus locusta (Linnaeus, 1758) (unaccepted > junior subjective synonym)
83. Species Gammarus nugax (Phipps, 1774) accepted as Anonyx nugax (Phipps, 1774) (unaccepted > superseded combination)
84. Species Gammarus obtusatus Dahl, 1938 accepted as Echinogammarus obtusatus (Dahl, 1938) accepted as Marinogammarus obtusatus (Dahl, 1938)
85. Species Gammarus ochotensis Brandt, 1851 accepted as Spinulogammarus ochotensis (Brandt, 1851) (unaccepted > superseded combination)
86. Species Gammarus olivii H. Milne Edwards, 1830 accepted as Marinogammarus olivii (H. Milne Edwards, 1830) accepted as Echinogammarus olivii (H. Milne Edwards, 1830) accepted as Chaetogammarus olivii (H. Milne Edwards, 1830) accepted as Pectenogammarus olivii (H. Milne Edwards, 1830) (unaccepted > superseded combination)
87. Species Gammarus orientalis Dana, 1852 accepted as Jassa orientalis (Dana, 1852) (unaccepted > superseded combination)
88. Species Gammarus ornatus H. Milne Edwards, 1830 accepted as Gammarus locusta (Linnaeus, 1758) (unaccepted > junior subjective synonym)
89. Species Gammarus pallidus Spence Bate, 1857 accepted as Liljeborgia pallida (Spence Bate, 1857) represented as Liljeborgia (Liljeborgia) pallida (Spence Bate, 1857) (unaccepted > superseded combination)
90. Species Gammarus palmata (Montague, 1804) accepted as Melita palmata (Montagu, 1804) (unaccepted > superseded combination)
91. Species Gammarus pilosus Dana, 1852 accepted as Dulichiella anisochir (Krøyer, 1845)
92. Species Gammarus pinguis Krøyer, 1838 accepted as Weyprechtia pinguis (Krøyer, 1838) (unaccepted > superseded combination)
93. Species Gammarus pirloti (Sexton & Spooner, 1940) accepted as Echinogammarus pirloti (Sexton & Spooner, 1940) accepted as Marinogammarus pirloti Sexton & Spooner, 1940 (unaccepted > superseded combination)
94. Species Gammarus placidus Grimm in G.O. Sars, 1896 accepted as Chaetogammarus placidus (G.O. Sars, 1896) (unaccepted > superseded combination)
95. Species Gammarus plumicornis A. Costa, 1853 accepted as Gammarus aequicauda (Martynov, 1931) (Suppression of the senior name by plenary powers, see notes (Stock 1970).)
96. Species Gammarus pribilofensis Pearse, 1913 accepted as Anisogammarus pribilofensis (Pearse, 1913) (unaccepted > superseded combination)
97. Species Gammarus pugettensis Dana, 1849 accepted as Anisogammarus pugettensis (Dana, 1853) (unaccepted > superseded combination)
98. Species Gammarus punctatus Johnson, 1827 accepted as Ampithoe punctatus (Johnston, 1827) accepted as Ampithoe punctata (Johnston, 1827) accepted as Ampithoe rubricata (Montagu, 1808) (unaccepted > superseded combination)
99. Species Gammarus punctimanus A. Costa, 1857 accepted as Gammarella fucicola (Leach, 1814) (unaccepted > junior subjective synonym)
100. Species Gammarus pungens H. Milne Edwards, 1840 accepted as Echinogammarus pungens (H. Milne Edwards, 1840) accepted as Pectenogammarus pungens (H. Milne Edwards, 1840) (unaccepted > superseded combination)
101. Species Gammarus rhipidiophorus Catta, 1878 accepted as Rhipidogammarus rhipidiophorus (Catta, 1878) accepted as Neogammarus rhipidiophorus (Catta, 1878) (unaccepted > superseded combination)
102. Species Gammarus rubromaculatus Stimpson, 1855 accepted as Ceradocus (Denticeradocus) rubromaculatus (Stimpson, 1855) (unaccepted > superseded combination)
103. Species Gammarus sabini Leach, 1819 accepted as Amathilla sabini (Leach, 1819) accepted as Gammarellus angulosus (Rathke, 1843) (unaccepted > superseded combination)
104. Species Gammarus sarsi Reid, 1943 accepted as Gammarus ochlos Reid, 1945 (unaccepted > junior homonym, of Gammarus sarsi Sowinsky)
105. Species Gammarus schmidti Derzhavin, 1927 accepted as Eogammarus schmidti (Derzhavin, 1927) (unaccepted > superseded combination)
106. Species Gammarus similis G.O. Sars, 1894 accepted as Stenogammarus similis (G.O. Sars, 1894) (unaccepted > superseded combination)
107. Species Gammarus sowinskyi Behning, 1914 accepted as Chaetogammarus ischnus (Stebbing, 1899) (unaccepted > junior objective synonym)
108. Species Gammarus spinipes Johnston, 1829 accepted as Jassa spinipes (Johnston, 1829) (unaccepted > superseded combination)
109. Species Gammarus stoerensis (Reid, 1938) accepted as Echinogammarus stoerensis (Reid, 1938) accepted as Relictogammarus stoerensis (Reid, 1938) (unaccepted > superseded combination)
110. Species Gammarus subcarinatus Spence Bate, 1863 accepted as Spinulogammarus subcarinatus (Spence Bate, 1863) (unaccepted > superseded combination)
111. Species Gammarus subnudus G.O. Sars, 1896 accepted as Shablogammarus subnudus (G.O. Sars, 1896) accepted as Obesogammarus subnudus (G.O. Sars, 1896) (unaccepted > superseded combination)
112. Species Gammarus subtener Stimpson, 1864 accepted as Megamoera subtener (Stimpson, 1864) (unaccepted > superseded combination)
113. Species Gammarus suluensis Dana, 1852 accepted as Parelasmopus suluensis (Dana, 1852) (unaccepted > superseded combination)
114. Species Gammarus sundevallii Rathke, 1843 accepted as Cheirocratus sundevallii (Rathke, 1843) (unaccepted > superseded combination)
115. Species Gammarus tenellus G.O. Sars, 1896 accepted as Gammarus ischnus Stebbing, 1899 accepted as Echinogammarus ischnus (Stebbing, 1899) accepted as Chaetogammarus ischnus (Stebbing, 1899) (homonym of Gammarus tenellus Dana, 1852)
116. Species Gammarus tenuimanus Spence Bate & Westwood, 1862 accepted as Maerella tenuimana (Spence Bate & Westwood, 1862) (unaccepted > superseded combination)
117. Species Gammarus tunetanus Simon, 1885 accepted as Gammarus aequicauda (Martynov, 1931) (Suppression of the senior name by plenary powers, see notes (Stock 1970).)
118. Species Gammarus warpachowskyi G.O. Sars, 1894 accepted as Echinogammarus warpachowskyi (G.O. Sars, 1894) accepted as Chaetogammarus warpachowskyi (G.O. Sars, 1894) (unaccepted > superseded combination)
119. Species Gammarus zebra Rathke, 1843 accepted as Ischyrocerus zebra (Rathke, 1843) accepted as Ischyrocerus anguipes Krøyer, 1838 (unaccepted > superseded combination)
120. Species Gammarus aequicaudus (Martynov, 1931) represented as Gammarus aequicauda (Martynov, 1931)
121. Species Gammarus tenellus Dana, 1852 (uncertain > nomen dubium)
122. Species Gammarus tenuis Dana, 1852 (uncertain)
123. Species Gammarus validus Dana, 1852 (uncertain)

marine, brackish, fresh, terrestrial

Fabricius, J.C. (1775). Systema Entomologiae, sistens Insectorum Classes, Ordines, Genera, Species, adjectis Sysnonymis, Locis, Descriptionibus, Observationibus. [A System of Entomology, containing the Classes, Orders, Genera, and Species of Insects, with added Sysnonyms, Localities, Descriptions, and Observations.]. <em>Kortii, Flensburgi et Lipsiae.</em> 832 pp., available online at https://www.biodiversitylibrary.org/page/25551417
page(s): 418 [details] 

Horton, T.; Lowry, J.; De Broyer, C.; Bellan-Santini, D.; Copilas-Ciocianu, D.; Corbari, L.; Costello, M.J.; Daneliya, M.; Dauvin, J.-C.; Fišer, C.; Gasca, R.; Grabowski, M.; Guerra-García, J.M.; Hendrycks, E.; Hughes, L.; Jaume, D.; Jazdzewski, K.; Kim, Y.-H.; King, R.; Krapp-Schickel, T.; LeCroy, S.; Lörz, A.-N.; Mamos, T.; Senna, A.R.; Serejo, C.; Souza-Filho, J.F.; Tandberg, A.H.; Thomas, J.D.; Thurston, M.; Vader, W.; Väinölä, R.; Valls Domedel, G.; Vonk, R.; White, K.; Zeidler, W. (2025). World Amphipoda Database. Gammarus Fabricius, 1775. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=101537 on 2025-07-15

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[taxonomic tree]