In synonymy:
Dolopoeus Thorell, 1891 = Nilus O. Pickard-Cambridge, 1876 (Simon, 1898a: 300, sub Thalassius)
Thalassius Simon, 1885 = Nilus O. Pickard-Cambridge, 1876 (Jäger, 2011: 4)
Titurius Simon, 1884 = Nilus O. Pickard-Cambridge, 1876 (Jäger, 2011: 4)
Transferred to other genera:
Nilus amazonicus Simon, 1898 -- see Architis
Nilus australiana (Karsch, 1878) -- see Argoctenus
Nilus balingkinitanus (Barrion & Litsinger, 1995) -- see Hygropoda
Nilus bottrelli (Barrion & Litsinger, 1995) -- see Hygropoda
Nilus icadius (L. Koch, 1876) -- see Dendrolycosa
Nilus kochi Roewer, 1951 -- see Mangromedes
Nilus lanceolatus Simon, 1898 -- see Dendrolycosa
Nilus maruanus Roewer, 1955 -- see Cispius
Nilus ornatus Berland, 1924 -- see Dendrolycosa
Nilus pallidus (L. Koch, 1875) -- see Anahita
Nilus pictus (Simon, 1888) -- see Tallonia
Nilus spadicarius (Simon, 1897) -- see Dendrolycosa
Nilus sparassiformis Strand, 1907 -- see Tallonia
Nilus undatus (Thorell, 1877) -- see Sphedanus
In synonymy:
Nilus aethiops (Caporiacco, 1939, T from Dolomedes) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus affinis (Song & Zheng, 1982) = Nilus phipsoni F. O. Pickard-Cambridge, 1898 (Sierwald, 1987: 116, sub Thalassius)
Nilus alacer (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus albiabundans (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus albopunctatus (Caporiacco, 1949) = Nilus margaritatus Pocock, 1898 (Sierwald, 1987: 97, sub Thalassius)
Nilus auratus (Pocock, 1900) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 78, sub Thalassius spinosissimus)
Nilus batesi (Pocock, 1900) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 78, sub Thalassius spinosissimus)
Nilus biseriatus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 80, sub Thalassius spinosissimus)
Nilus brunneopictus (Caporiacco, 1940) = Nilus radiatolineatus Strand, 1906 (Sierwald, 1987: 102, sub Thalassius)
Nilus bukobensis (Strand, 1913) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus cataractus (Lawrence, 1927) = Nilus margaritatus Pocock, 1898 (Sierwald, 1987: 97, sub Thalassius)
Nilus cinctus (Thorell, 1891) = Nilus albocinctus Doleschall, 1859 (Sierwald, 1987: 119, sub Thalassius)
Nilus contactus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus cromei (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus cummingi (F. O. Pickard-Cambridge, 1898) = Nilus jayakari F. O. Pickard-Cambridge, 1898 (Sierwald, 1987: 114, sub Thalassius)
Nilus formosus (Pocock, 1900) = Nilus rubromaculatus Thorell, 1899 (Sierwald, 1987: 93, sub Thalassius)
Nilus fulvus (Kulczyński, 1901) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 78, sub Thalassius spinosissimus)
Nilus gaerdesi (Roewer, 1955) = Nilus massajae Pavesi, 1883 (Sierwald, 1987: 85, sub Thalassius)
Nilus gressorius (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus guineensis annulatus (Lessert, 1928) = Nilus rubromaculatus Thorell, 1899 (Sierwald, 1987: 93, sub Thalassius)
Nilus harpago (Roewer, 1955) = Nilus rossi Pocock, 1902 (Sierwald, 1987: 107)
Nilus ingens (Caporiacco, 1939, T from Dolomedes) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus inornatus (Pocock, 1900) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 78, sub Thalassius spinosissimus)
Nilus insignis (Pocock, 1900) = Nilus pictus Simon, 1898 (Sierwald, 1987: 110, sub Thalassius)
Nilus insulanus (Berland, 1922) = Nilus margaritatus Pocock, 1898 (Sierwald, 1987: 97, sub Thalassius)
Nilus jaundeus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus kaestneri (Roewer, 1955) = Nilus radiatolineatus Strand, 1906 (Sierwald, 1987: 102, sub Thalassius)
Nilus kazibius (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus lanceolatus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus leonensis (Pocock, 1900) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1984: 416, sub Thalassius spinosissimus)
Nilus leucostictus (Pocock, 1900) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 78, spinosissimus, sub Thalassius spinosissimus)
Nilus lombokanus (Strand, 1915) = Nilus phipsoni F. O. Pickard-Cambridge, 1898 (Sierwald, 1987: 116, sub Thalassius)
Nilus maculatipes (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 80, sub Thalassius spinosissimus)
Nilus malitiosus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus marfieldi (Roewer, 1955) = Nilus radiatolineatus Strand, 1906 (Sierwald, 1987: 102, sub Thalassius)
Nilus maruanus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus mossambicus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 80, sub Thalassius spinosissimus)
Nilus mubaleus (Roewer, 1955) = Nilus massajae Pavesi, 1883 (Sierwald, 1987: 85, sub Thalassius)
Nilus multimaculatus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus mutillatus (Strand, 1913) = Nilus albocinctus Doleschall, 1859 (Sierwald, 1987: 120, sub Thalassius)
Nilus parallelus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus poecilis (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus preussi (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus regalis (Pocock, 1900) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 78, sub Thalassius spinosissimus)
Nilus ruwenzoricus (Strand, 1913) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 78, sub Thalassius spinosissimus)
Nilus schubotzi (Strand, 1913) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus signatus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 80, sub Thalassius spinosissimus)
Nilus simoni (F. O. Pickard-Cambridge, 1897) = Nilus albocinctus Doleschall, 1859 (Sierwald, 1987: 119, sub Thalassius)
Nilus spenceri (F. O. Pickard-Cambridge, 1898) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1984: 410, sub Thalassius spinosissimus)
Nilus spinosissimus (Karsch, 1879) = Nilus curtus O. Pickard-Cambridge, 1876 (Jäger, 2011: 4)
Nilus straeleni (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus trifasciatus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus tuckeri (Lessert, 1923) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus umbrosus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus unicolor (Simon, 1897) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1984: 410, sub Thalassius spinosissimus)
Nilus upembanus (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nilus wittei (Roewer, 1955) = Nilus curtus O. Pickard-Cambridge, 1876 (Sierwald, 1987: 79, sub Thalassius spinosissimus)
Nomina dubia:
Nilus araneoides (Strand, 1913a: 423, j, DR Congo, originally in Thalassius) -- Sierwald, 1987: 127, sub Thalassius
Nilus basimaculatus (Strand, 1906h: 90, j, Togo, originally in Thalassius) -- Sierwald, 1987: 127, sub Thalassius
Nilus fimbriatus (Walckenaer, 1837: 364, f, South Africa, originally in Ctenus) -- Sierwald, 1987: 124, sub Thalassius
Nilus guineensis (Lucas, 1858: 405, pl. 13, f. 6-6a, m, Pocock, 1900g: 864, pl. 57, f. 18, f, Lessert, 1928: 341, f. 24a-c, 25a-b, mf, Equatorial Guinea, DR Congo, originally in Olios) -- Sierwald, 1987: 126, sub Thalassius
Nilus leo (Strand, 1907d: 741, j, Madagascar, originally in Thalassius) -- Sierwald, 1987: 126, sub Thalassius
Nilus marginatus (Walckenaer, 1847a: 402, f, Fiji, Solomon Is., originally in Ctenus) -- Jäger, 2022a: 188
Nilus marginatus (Simon, 1888a: 284, f, India/Andaman Is., originally in Sphedanus) -- Jäger, 2011: 5
Nilus oblongus Pavesi, 1897b: 177 (j, Somalia) -- Blandin, 1979: 350, Jäger, 2011: 5
Nilus perincertus (Caporiacco, 1947c: 115, pl. 1, f. 5, m, Ethiopia, originally in Thalassius) -- Sierwald, 1987: 127, sub Thalassius