• Carinurella paradoxa (Sket, 1964)
• Chaetoniphargus lubuskensis Karaman G.S. & Sket, 2019
• Exniphargus tzanisi Karaman G.S., 2016
• Foroniphargus pori G. Karaman, 1985
• Haploginglymus bergae Pretus & Sabater, 1990
• Haploginglymus bragai Mateus & Mateus, 1958
• Haploginglymus geos Jaume & Alvarez, in Jurado-Rivera, Álvarez, Caro, Juan, Pons, Jaume, 2017
• Haploginglymus lobatus Stock, 1980
• Haploginglymus mateusi G. Karaman, 1986
• Haploginglymus morenoi Iannilli, Minelli & Ruffo, 2009
• Karamaniella paradoxa Sket, 1964 accepted as Carinurella paradoxa (Sket, 1964)
• Karamaniella pupetta Sket, 1962 accepted as Niphargus pupetta (Sket, 1962)
• Martynovia submersa Derzhavin, 1945 accepted as Niphargus submersus (Derzhavin, 1945)
• Niphargellus arndti (Schellenberg, 1933)
• Niphargellus glenniei (Spooner, 1952)
• Niphargellus nolli Schellenberg, 1938
• Niphargobates lefkodemonaki Sket, 1990 accepted as Niphargobatoides lefkodemonaki (Sket, 1990)
• Niphargobates orophobata Sket, 1981
• Niphargobatoides lefkodemonaki (Sket, 1990)
• Niphargopsis caspary (Pratz, 1866) accepted as Niphargus caspary (Pratz, 1866)
• Niphargopsis legeri Chevreux, 1922 accepted as Niphargus caspary (Pratz, 1866)
• Niphargopsis trispinosus Dancau & Capuse, 1959 accepted as Niphargus caspary (Pratz, 1866)
• Niphargus (Jovaniphargus) serbicus S. Karaman, 1960 accepted as Niphargus serbicus S. Karaman, 1960
• Niphargus (Orniphargus) boskovici S. Karaman, 1952 accepted as Niphargus boskovici (S. Karaman, 1952)
• Niphargus (Orniphargus) croaticus (Jurinac, 1887) accepted as Niphargus croaticus (Jurinac, 1887)
• Niphargus (Orniphargus) croaticus pachytelson Sket, 1960 accepted as Niphargus pachytelson Sket, 1960
• Niphargus (Orniphargus) lindbergi S. Karaman, 1956 accepted as Niphargus lindbergi S. Karaman, 1956
• Niphargus (Orniphargus) orcinus Joseph, 1869 accepted as Niphargus orcinus Joseph, 1869
• Niphargus (Orniphargus) orcinus hercegovinensis S. Karaman, 1950 accepted as Niphargus hercegovinensis S. Karaman, 1950
• Niphargus (Orniphargus) orcinus kolombatovici S. Karaman, 1950 accepted as Niphargus kolombatovici S. Karaman, 1950
• Niphargus (Orniphargus) orcinus kusceri S. Karaman, 1950 accepted as Niphargus kusceri S. Karaman, 1950
• Niphargus (Orniphargus) orcinus longiflagellum S. Karaman, 1950 accepted as Niphargus longiflagellum S. Karaman, 1950
• Niphargus (Orniphargus) orcinus trullipes Sket, 1958 accepted as Niphargus trullipes Sket, 1958
• Niphargus (Orniphargus) salonitanus S. Karaman, 1950 accepted as Niphargus salonitanus S. Karaman, 1950
• Niphargus (Orniphargus) stenopus Sket, 1960 accepted as Niphargus stenopus Sket, 1960
• Niphargus (Orniphargus) vadimi Birstein, 1961 accepted as Niphargus vadimi Birstein, 1961
• Niphargus (Phaenogammarus) cubanicus Birstein, 1954 accepted as Niphargus cubanicus Birstein, 1954
• Niphargus (Phaenogammarus) potamophilus Birstein, 1954 accepted as Niphargus potamophilus Birstein, 1954
• Niphargus (Stygoniphargus) sphagnicolus Rejic, 1956 accepted as Niphargus sphagnicolus Rejic, 1956
• Niphargus (Supraniphargus) castellanus S. Karaman, 1960 accepted as Niphargus castellanus S. Karaman, 1960
• Niphargus abavus G. Karaman, 2011
• Niphargus abchasicus Martynov, 1932
• Niphargus aberrans Sket, 1972
• Niphargus ablaskiri Birstein, 1940
• Niphargus ablaskiri ablaskiri Birstein, 1940 accepted as Niphargus ablaskiri Birstein, 1940
• Niphargus ablaskiri georgievi S. Karaman & G. Karaman, 1959 accepted as Niphargus georgievi S. Karaman & G. Karaman, 1959
• Niphargus ablaskiri inermis Birstein, 1940 accepted as Niphargus inermis Birstein, 1940
• Niphargus ablaskiri romanicus Dobreanu & Manolache, 1942 accepted as Niphargus romanicus Dobreanu & Manolache, 1942
• Niphargus ablaskiri variabilis Dobreanu, Manolache & Puscariu, 1953 accepted as Niphargus variabilis Dobreanu, Manolache & Puscariu, 1953
• Niphargus abricossovi Birstein, 1932
• Niphargus abricossovi abricossovi Birstein, 1932 accepted as Niphargus abricossovi Birstein, 1932
• Niphargus abricossovi inornatus Derzhavin, 1945 accepted as Niphargus inornatus Derzhavin, 1945
• Niphargus adbiptus G. Karaman, 1973
• Niphargus adei S. Karaman, 1934
• Niphargus affinis Dobreanu, Manolache & Puscariu, 1953
• Niphargus aggtelekiensis Dudich, 1932
• Niphargus aitolosi Ntakis, Anastasiadou, Zakšek & Fišer, 2015
• Niphargus alanicus Marin & Palatov, 2021
• Niphargus alasonius Derzhavin, 1945
• Niphargus alatus G. Karaman, 1973
• Niphargus alisadri Esmaeili-Rineh & Sari, 2013
• Niphargus alisae Marin, Krylenko & Palatov, 2021
• Niphargus alpheus Delić, Švara, Coleman, Trontelj & Fišer, 2017
• Niphargus alpinus G. Karaman & Ruffo, 1989
• Niphargus altagahizi Alouf, 1973
• Niphargus alutensis Dancau, 1971
• Niphargus ambulator G. Karaman, 1975
• Niphargus amirani Marin, 2020
• Niphargus anatolicus S. Karaman, 1950
• Niphargus anchialinus Delić, Švara, Coleman, Trontelj & Fišer, 2017
• Niphargus andropus Schellenberg, 1940
• Niphargus angelieri Ruffo, 1954
• Niphargus antennatus (Packard, 1881) accepted as Crangonyx antennatus Packard, 1881
• Niphargus anticolanus d'Ancona, 1934
• Niphargus antipodes Delić, Švara, Coleman, Trontelj & Fišer, 2017
• Niphargus apuanus Ruffo, 1936
• Niphargus aquilex Schiödte, 1855
• Niphargus aquilex aquilex Schiödte, 1855 accepted as Niphargus aquilex Schiödte, 1855
• Niphargus aquilex dobati Sket, 1999 accepted as Niphargus dobati Sket, 1999
• Niphargus aquilex moldavicus Dobreanu, Manolache & Puscariu, 1953 accepted as Niphargus moldavicus Dobreanu, Manolache & Puscariu, 1953
• Niphargus aquilex pretneri Sket, 1959 accepted as Niphargus pretneri Sket, 1959
• Niphargus aquilex tauri Schellenberg, 1940 accepted as Niphargus tauri Schellenberg, 1940
• Niphargus arbiter G. Karaman, 1984
• Niphargus arcanus G. Karaman, 1988
• Niphargus arethusa Delić, Švara, Coleman, Trontelj & Fišer, 2017
• Niphargus armatus G. Karaman, 1985
• Niphargus arndti Schellenberg, 1933 accepted as Niphargellus arndti (Schellenberg, 1933)
• Niphargus arolaensis Alther, Bogni, Borko, Fišer & Altermatt, 2021
• Niphargus artifex Karaman, 2020
• Niphargus ashamba Marin, Krylenko & Palatov, 2021
• Niphargus asper G. Karaman, 1972
• Niphargus auerbachi Schellenberg, 1934
• Niphargus aulicus G. Karaman, 1991
• Niphargus australiensis Chilton, 1923 accepted as Victoriopisa australiensis (Chilton, 1923)
• Niphargus bajuvaricus Schellenberg, 1932
• Niphargus bajuvaricus bajuvaricus Schellenberg, 1932 accepted as Niphargus bajuvaricus Schellenberg, 1932
• Niphargus bajuvaricus grandii Ruffo, 1936 accepted as Niphargus grandii Ruffo, 1936
• Niphargus balazuci Schellenberg, 1951
• Niphargus balcanicus (Absolon, 1927)
• Niphargus baloghi Dudich, 1940