Niphargus (Orniphargus) boskovici S. Karaman, 1952 accepted as Niphargus boskovici (S. Karaman, 1952) (source of synonymy)
Niphargus (Orniphargus) croaticus pachytelson Sket, 1960 accepted as Niphargus pachytelson Sket, 1960 (source of synonymy)
Niphargus (Orniphargus) orcinus kolombatovici S. Karaman, 1950 accepted as Niphargus kolombatovici S. Karaman, 1950 (source of synonymy)
Niphargus ablaskiri ablaskiri Birstein, 1940 accepted as Niphargus ablaskiri Birstein, 1940 (source of synonymy)
Niphargus ablaskiri georgievi S. Karaman & G. Karaman, 1959 accepted as Niphargus georgievi S. Karaman & G. Karaman, 1959 (source of synonymy)
Niphargus ablaskiri inermis Birstein, 1940 accepted as Niphargus inermis Birstein, 1940 (source of synonymy)
Niphargus ablaskiri romanicus Dobreanu & Manolache, 1942 accepted as Niphargus romanicus Dobreanu & Manolache, 1942 (source of synonymy)
Niphargus ablaskiri variabilis Dobreanu, Manolache & Puscariu, 1953 accepted as Niphargus variabilis Dobreanu, Manolache & Puscariu, 1953 (source of synonymy)
Niphargus abricossovi abricossovi Birstein, 1932 accepted as Niphargus abricossovi Birstein, 1932 (source of synonymy)
Niphargus abricossovi inornatus Derzhavin, 1945 accepted as Niphargus inornatus Derzhavin, 1945 (source of synonymy)
Niphargus angelieri Ruffo, 1954 (source of synonymy)
Niphargus aquilex aquilex Schiödte, 1855 accepted as Niphargus aquilex Schiödte, 1855 (source of synonymy)
Niphargus aquilex dobati Sket, 1999 accepted as Niphargus dobati Sket, 1999 (source of synonymy)
Niphargus aquilex tauri Schellenberg, 1940 accepted as Niphargus tauri Schellenberg, 1933 (source of synonymy)
Niphargus bajuvaricus bajuvaricus Schellenberg, 1932 accepted as Niphargus bajuvaricus Schellenberg, 1932 (source of synonymy)
Niphargus bihorensis Schellenberg, 1940 (status source)
Niphargus boskovici alatus G. Karaman, 1973 accepted as Niphargus alatus G. Karaman, 1973 (source of synonymy)
Niphargus boskovici borkanus S. Karaman, 1960 accepted as Niphargus borkanus S. Karaman, 1960 (source of synonymy)
Niphargus brevicuspis brevicuspis Schellenberg, 1937 accepted as Niphargus brevicuspis Schellenberg, 1937 (source of synonymy)
Niphargus brevicuspis sketi G. Karaman, 1966 accepted as Niphargus sketi G. Karaman, 1966 (source of synonymy)
Niphargus carpathicus affinis Dobreanu, Manolache & Puscariu, 1953 accepted as Niphargus affinis Dobreanu, Manolache & Puscariu, 1953 (source of synonymy)
Niphargus carpathicus carpathicus Dobreanu & Manolache, 1939 accepted as Niphargus carpathicus Dobreanu & Manolache, 1939 (source of synonymy)
Niphargus carpathicus cavernicolus Dobreanu & Manolache, 1957 accepted as Niphargus cavernicolus Dobreanu & Manolache, 1957 (source of synonymy)
Niphargus ciliatus ciliatus Chevreux, 1906 accepted as Niphargus ciliatus Chevreux, 1906 (source of synonymy)
Niphargus ciliatus cismontanus Margalef, 1952 accepted as Niphargus cismontanus Margalef, 1952 (source of synonymy)
Niphargus elegans elegans Garbini, 1894 accepted as Niphargus elegans Garbini, 1894 (source of synonymy)
Niphargus elegans pasquinii Vigna-Taglianti, 1966 accepted as Niphargus pasquinii Vigna-Taglianti, 1966 (source of synonymy)
Niphargus elegans zagrebensis S. Karaman, 1950 accepted as Niphargus zagrebensis S. Karaman, 1950 (source of synonymy)
Niphargus foreli apuanus Ruffo, 1936 accepted as Niphargus apuanus Ruffo, 1936 (source of synonymy)
Niphargus foreli dubius Dobreanu & Manolache, 1939 accepted as Niphargus dubius Dobreanu & Manolache, 1939 (source of synonymy)
Niphargus foreli foreli Humbert, 1877 accepted as Niphargus foreli Humbert, 1876 (source of synonymy)
Niphargus galvagni galvagni Ruffo, 1953 accepted as Niphargus galvagni Ruffo, 1953 (source of synonymy)
Niphargus galvagni similis Karaman & Ruffo, 1989 accepted as Niphargus similis G. Karaman & Ruffo, 1989 (source of synonymy)
Niphargus illidzensis dalmatinus Schäferna, 1932 accepted as Niphargus dalmatinus Schäferna, 1932 (source of synonymy)
Niphargus illidzensis illidzensis Schäferna, 1932 accepted as Niphargus illidzensis Schäferna, 1932 (source of synonymy)
Niphargus illidzensis montenigrinus G. Karaman, 1962 accepted as Niphargus montenigrinus G. Karaman, 1962 (source of synonymy)
Niphargus illidzensis orientalis S. Karaman, 1950 accepted as Niphargus orientalis S. Karaman, 1950 (source of synonymy)
Niphargus illidzensis pannonicus S. Karaman, 1950 accepted as Niphargus pannonicus S. Karaman, 1950 (source of synonymy)
Niphargus illidzensis slovenicus S. Karaman, 1932 accepted as Niphargus slovenicus S. Karaman, 1932 (source of synonymy)
Niphargus jovanovici grandii Ruffo, 1936 accepted as Niphargus grandii Ruffo, 1936 (source of synonymy)
Niphargus kochianus dimorphopus Stock & Gledhill, 1977 accepted as Niphargus dimorphopus Stock & Gledhill, 1977 (source of synonymy)
Niphargus kochianus irlandicus Schellenberg, 1932 accepted as Niphargus irlandicus Schellenberg, 1932 (source of synonymy)
Niphargus kochianus kochianus Spence Bate, 1859 accepted as Niphargus kochianus Spence Bate, 1859 (source of synonymy)
Niphargus kochianus pachypus Schellenberg, 1933 accepted as Niphargus pachypus Schellenberg, 1933 (source of synonymy)
Niphargus kochianus petrosani Dobreanu & Manolache, 1933 accepted as Niphargus petrosani Dobreanu & Manolache, 1933 (source of synonymy)
Niphargus kochianus polonicus Schellenberg, 1936 accepted as Niphargus polonicus Schellenberg, 1936 (source of synonymy)
Niphargus kochianus tamaninii Ruffo, 1953 accepted as Niphargus tamaninii Ruffo, 1953 (source of synonymy)
Niphargus kragujevensis kragujevensis S. Karaman, 1950 accepted as Niphargus kragujevensis S. Karaman, 1950 (source of synonymy)
Niphargus kragujevensis remus G. Karaman, 1992 accepted as Niphargus remus G. Karaman, 1992 (source of synonymy)
Niphargus krameri krameri Schellenberg, 1935 accepted as Niphargus krameri Schellenberg, 1935 (source of synonymy)
Niphargus krameri spinulifemur S. Karaman, 1954 accepted as Niphargus spinulifemur S. Karaman, 1954 (source of synonymy)
Niphargus krameri timavi S. Karaman, 1954 accepted as Niphargus timavi S. Karaman, 1954 (source of synonymy)
Niphargus longicaudatus corsicanus Schellenberg, 1950 accepted as Niphargus corsicanus Schellenberg, 1950 (source of synonymy)
Niphargus longicaudatus debilis Ruffo, 1936 accepted as Niphargus debilis Ruffo, 1936 (source of synonymy)
Niphargus longicaudatus longicaudatus (A. Costa, 1851) accepted as Niphargus longicaudatus (A. Costa in Hope, 1851) (source of synonymy)
Niphargus longicaudatus thuringius Schellenberg, 1934 accepted as Niphargus thuringius Schellenberg, 1934 (source of synonymy)
Niphargus longicaudatus versluysi S. Karaman, 1950 accepted as Niphargus versluysi S. Karaman, 1950 (source of synonymy)
Niphargus longiflagellum S. Karaman, 1950 (source of synonymy)
Niphargus maximus maximus S. Karaman, 1929 accepted as Niphargus maximus S. Karaman, 1929 (source of synonymy)
Niphargus maximus petkovskii G. Karaman, 1963 accepted as Niphargus petkovskii G. Karaman, 1963 (source of synonymy)
Niphargus maximus vulgaris G. Karaman, 1968 accepted as Niphargus vulgaris G. Karaman, 1968 (source of synonymy)
Niphargus ohridanus ohridanus S. Karaman, 1929 accepted as Niphargus ohridanus S. Karaman, 1929 (source of synonymy)
Niphargus orcinus redenseki Sket, 1959 accepted as Niphargus redenseki Sket, 1959 accepted as Niphargus croaticus (Jurinac, 1887) (source of synonymy)
Niphargus orcinus steueri Schellenberg, 1935 accepted as Niphargus steueri Schellenberg, 1935 (source of synonymy)
Niphargus pancici dojranensis G. Karaman, 1960 accepted as Niphargus dojranensis G. Karaman, 1960 (source of synonymy)
Niphargus pancici pancici S. Karaman, 1929 accepted as Niphargus pancici S. Karaman, 1929 (source of synonymy)
Niphargus pancici vlkanovi S. Karaman & G. Karaman, 1959 accepted as Niphargus vlkanovi S. Karaman & G. Karaman, 1959 (source of synonymy)
Niphargus pasquinii sodalis G. Karaman, 1984 accepted as Niphargus sodalis G. Karaman, 1984 (source of synonymy)
Niphargus pecarensis occultus G. Karaman, 1994 accepted as Niphargus occultus G. Karaman, 1994 (source of synonymy)
Niphargus pedemontanus Ruffo, 1936 (source of synonymy)
Niphargus phreaticolus Motas, Dobreanu & Manolache, 1948 (source of synonymy)
Niphargus ponoricus Dancau, 1963 (source of synonymy)
Niphargus pretneri Sket, 1959 (source of synonymy)
Niphargus pseudolatimanus Birstein, 1952 (source of synonymy)
Niphargus puteanus baloghi Dudich, 1940 accepted as Niphargus baloghi Dudich, 1940 (source of synonymy)
Niphargus puteanus carpathorossicus Straskraba, 1957 accepted as Niphargus carpathorossicus Straskraba, 1957 (source of synonymy)
Niphargus puteanus derzhavini Birstein, 1952 accepted as Niphargus derzhavini Birstein, 1952 (source of synonymy)
Niphargus puteanus iniochus Birstein, 1941 accepted as Niphargus iniochus Birstein, 1941 (source of synonymy)
Niphargus puteanus komareki S. Karaman, 1932 accepted as Niphargus komareki S. Karaman, 1932 (source of synonymy)
Niphargus puteanus otharicus Birstein, 1952 accepted as Niphargus otharicus Birstein, 1952 (source of synonymy)
Niphargus puteanus puteanus (Koch, 1836) accepted as Niphargus puteanus (Koch, 1836) (source of synonymy)
Niphargus rejici jadranko Sket & Karaman G.S., 1990 accepted as Niphargus jadranko Sket & G. Karaman, 1990 (source of synonymy)
Niphargus rejici rejici Sket, 1958 accepted as Niphargus rejici Sket, 1958 (source of synonymy)
Niphargus skopljensis danconai Benedetti, 1942 accepted as Niphargus danconai Benedetti, 1942 (source of synonymy)
Niphargus skopljensis skopljensis S. Karaman, 1929 accepted as Niphargus skopljensis S. Karaman, 1929 (source of synonymy)
Niphargus spoeckeri sibillianus G. Karaman, 1984 accepted as Niphargus sibillianus G. Karaman, 1984 (source of synonymy)
Niphargus spoeckeri spoeckeri Schellenberg, 1933 accepted as Niphargus spoeckeri Schellenberg, 1933 (source of synonymy)
Niphargus steueri kolombatovici S. Karaman, 1950 accepted as Niphargus kolombatovici S. Karaman, 1950 (source of synonymy)
Niphargus strouhali alpinus Karaman & Ruffo, 1989 accepted as Niphargus alpinus G. Karaman & Ruffo, 1989 (source of synonymy)
Niphargus strouhali strouhali Schellenberg, 1933 accepted as Niphargus strouhali Schellenberg, 1933 (source of synonymy)
Niphargus stygius bosniacus S. Karaman, 1943 accepted as Niphargus bosniacus S. Karaman, 1943 (source of synonymy)
Niphargus stygius brachytelson S. Karaman, 1952 accepted as Niphargus brachytelson S. Karaman, 1952 (source of synonymy)
Niphargus stygius danconae S. Karaman, 1954 accepted as Niphargus danconae S. Karaman, 1954 accepted as Niphargus julius Stoch, 1997 (source of synonymy)
Niphargus stygius kenki S. Karaman, 1952 accepted as Niphargus kenki S. Karaman, 1952 (source of synonymy)
Niphargus stygius likanus S. Karaman, 1952 accepted as Niphargus likanus S. Karaman, 1952 (source of synonymy)
Niphargus stygius novomestanus S. Karaman, 1952 accepted as Niphargus novomestanus S. Karaman, 1952 (source of synonymy)
Niphargus stygius podpecanus S. Karaman, 1952 accepted as Niphargus podpecanus S. Karaman, 1952 (source of synonymy)
Niphargus stygius poloninicus Straskraba, 1957 accepted as Niphargus poloninicus Straskraba, 1957 (source of synonymy)
Niphargus stygius ravanicanus S. Karaman, 1943 accepted as Niphargus ravanicanus S. Karaman, 1943 (source of synonymy)
Niphargus stygius remyi S. Karaman, 1934 accepted as Niphargus remyi S. Karaman, 1934 (source of synonymy)