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)

type Nilus curtus O. Pickard-Cambridge, 1876; gender masculine

N.B.: not a senior synonym of Tallonia Simon, 1889 (Blandin, 1979: 352), Aenigmaaranea Strand, 1929 (Davies, 1985: 123), or Sphedanus Thorell, 1877 (Jäger, 2011: 7); considered a senior synonym of Thalassius Simon, 1885d: 13 [urn:lsid:nmbe.ch:spidergen:01738] (which was considered a ctenid by Lehtinen, 1967: 269) by Jäger, 2011: 4; Thalassius is a replacement name for Titiurus Simon, 1884q: 328 [urn:lsid:nmbe.ch:spidergen:05167] (type T. marginellus Simon, 1884); Thalassius is considered a senior synonym of Dolopoeus Thorell, 1891: 60 [urn:lsid:nmbe.ch:spidergen:05168] (type D. cinctus Thorell, 1891: 60 = Nilus albocinctus (Doleschall, 1859)) by Simon, 1898a: 300; not a pisaurid according to Polotow, Carmichael & Griswold, 2015 who did not assign Nilus to any recognised family.

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 (Simon, 1888a: 284, f, India/Andaman Is., originally in Sphedanus) -- Jäger, 2011: 5.
Nilus marginatus (Walckenaer, 1847a: 402, f, Fiji, Solomon Is., originally in Ctenus) -- Jäger, 2022a: 188.
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.

Dolomedes albocinctus Doleschall, 1859: 9, pl. 15, f. 4 (Df).
Titurius marginellus Simon, 1884n: 329 (Dj).
Thalassius marginellus Simon, 1885h: 13.
Dolopoeus cinctus Thorell, 1891: 61 (Df).
Thalassius doleschalli F. O. Pickard-Cambridge, 1897c: 352, pl. 4, f. 19 (Df).
Thalassius simoni F. O. Pickard-Cambridge, 1897c: 351 (D).
Dolopoeus doleschalli F. O. Pickard-Cambridge, 1898: 28.
Thalassius albocinctus Simon, 1898a: 298, f. 307-308.
Thalassius cinctus Simon, 1898a: 299.
Thalassius albocinctus Merian, 1911: 287, f. H1 (f).
Thalassius mutillatus Strand, 1913d: 121 (D).
Thalassius albocinctus Sierwald, 1987: 119, f. 127, 132-140, 143-148 (mf, S).
Thalassius albocinctus Barrion & Litsinger, 1995: 352, f. 209a-e (f).
Thalassius albocinctus Sunil Jose et al., 2003b: 309, f. 1a-g (f).

Nilus curtus O. Pickard-Cambridge, 1876b: 596, pl. 60, f. 13 (Dj, Egypt).
Ctenus spinosissimus Karsch, 1879a: 345, f. 1 (Df) [urn:lsid:nmbe.ch:spidersp:019808].
Titurius spinosissimus Simon, 1884n: 329.
Thalassius spinosissimus Simon, 1891d: 299.
Thalassius unicolor Simon, 1897f: 389 (Df).
Thalassius spenceri F. O. Pickard-Cambridge, 1898: 29, pl. 4, f. 1, 8 (Df).
Thalassius unicolor F. O. Pickard-Cambridge, 1898: 29, pl. 4, f. 2 (f).
Thalassius inornatus Pocock, 1900g: 865 (Df).
Thalassius auratus Pocock, 1900g: 866, pl. 57, f. 20 (Df).
Thalassius leucostictus Pocock, 1900g: 866 (Dj).
Thalassius batesi Pocock, 1900g: 867 (Df).
Thalassius leonensis Pocock, 1900g: 867, pl. 57, f. 21 (Df).
Thalassius regalis Pocock, 1900g: 868, pl. 52, f. 22 (Df).
Thalassius fulvus Kulczyński, 1901a: 50, pl. 2, f. 48 (Df).
Thalassius ruwenzoricus Strand, 1913a: 420 (Df).
Thalassius bukobensis Strand, 1913a: 421 (Df).
Thalassius schubotzi Strand, 1913a: 421 (Df).
Thalassius spenceri Abraham, 1923: 93, pl. 7, f. 1-8.
Thalassius tuckeri Lessert, 1923: 207, f. 56-57 (Dm).
Dolomedes ingens Caporiacco, 1939a: 320, f. 4, 5a (Dmf).
Dolomedes aethiops Caporiacco, 1939a: 322, f. 5b (Df).
Thalassius spenceri Roewer, 1955b: 285, f. 101a-c (f, Dm).
Thalassius poecilis Roewer, 1955b: 289, f. 105a-b (Df).
Thalassius tuckeri Roewer, 1955b: 291, f. 106a-c (m, Df).
Thalassius straeleni Roewer, 1955b: 292, f. 107a-b (Df).
Thalassius wittei Roewer, 1955b: 293, f. 108a-b (Df).
Thalassius upembanus Roewer, 1955b: 295, f. 109a-c (Dmf).
Thalassius trifasciatus Roewer, 1955b: 296, f. 110a-b (Df).
Thalassius malitiosus Roewer, 1955b: 297 (Df).
Thalassius kazibius Roewer, 1955b: 298, f. 111a-b (Df).
Thalassius parallelus Roewer, 1955b: 299, f. 112a-b (Df).
Thalassius multimaculatus Roewer, 1955b: 299, f. 113a-b (Df).
Thalassius contactus Roewer, 1955b: 302, f. 115 (Df).
Thalassius unicolor Roewer, 1955b: 303, f. 116a-c (f, Dm).
Thalassius guineensis Roewer, 1955b: 305, f. 117a-c (mf, misidentified).
Thalassius inornatus Roewer, 1955b: 308, f. 119 (f).
Thalassius auratus Roewer, 1955b: 309, f. 120 (f).
Thalassius regalis Roewer, 1955b: 310, f. 122 (f).
Thalassius lanceolatus Roewer, 1955b: 313, f. 124a-b (Df).
Thalassius jaundeus Roewer, 1955b: 315, f. 125 (Df).
Thalassius alacer Roewer, 1955b: 315, f. 126a-d (Dmf).
Thalassius preussi Roewer, 1955b: 316, f. 127a-d (Dmf).
Thalassius maruanus Roewer, 1955b: 318, f. 128a-b (Df).
Thalassius cromei Roewer, 1955b: 320, f. 130a-b (Dmf).
Thalassius leonensis Roewer, 1955b: 322, f. 131 (f).
Thalassius albiabundans Roewer, 1955b: 325, f. 132a-b (Df).
Thalassius gressorius Roewer, 1955b: 326, f. 133a-b (Df).
Thalassius umbrosus Roewer, 1955b: 327, f. 134a-b (Df).
Thalassius fulvus Roewer, 1955b: 330, f. 136 (f).
Thalassius bukobensis Roewer, 1955b: 341, f. 141 (f).
Thalassius ruwenzoricus Roewer, 1955b: 342, f. 142a-b (f).
Thalassius schubotzi Roewer, 1955b: 343, f. 143a-b (f).
Thalassius maculatipes Roewer, 1955b: 347, f. 145a-b (Df).
Thalassius biseriatus Roewer, 1955b: 348, f. 146a-b (Df).
Thalassius signatus Roewer, 1955b: 349, f. 147a-b (Df).
Thalassius mossambicus Roewer, 1955b: 351, f. 148 (Df).
Dolomedes ingens Roewer, 1955b: 379, f. 163a-b (mf).
Dolomedes aethiops Roewer, 1955b: 382, f. 164 (f).
Thalassius spinosissimus Sierwald, 1983: 204, f. 3-4 (f).
Thalassius spinosissimus Sierwald, 1984: 410 (Sm).
Thalassius spinosissimus Sierwald, 1987: 78, f. 1, 5-12, 17-18, 21-34, 42-43, 46, 48, 50-53 (mf, S).
Thalassius spinosissimus Sierwald, 1989b: 18, f. 24, 62 (f).
Thalassius spinosissimus Sierwald, 1990: 33, f. 9-10, 43 (m).
Nilus curtus Jäger, 2011: 4, f. 1-7 (elevated j from nomen dubium, after Simon, 1898a: 295, f. 297, contra Blandin, 1979: 350, S).
Nilus curtus Dippenaar-Schoeman et al., 2020q: 42, p. 41: 1 f., p. 42: 7 f. (f).

Pisaura decorata Patel & Reddy, 1990a: 37, f. 1a-d (Df).
Nilus decorata Jäger, 2011: 4 (Tf from Pisaura).

Thalassius esimoni Sierwald, 1984: 411, f. 4b-5 (Df).

Thalassius jayakari F. O. Pickard-Cambridge, 1898: 30, pl. 4, f. 4, 9-11, 14 (Df).
Thalassius cummingi F. O. Pickard-Cambridge, 1898: 30, pl. 4, f. 3 (Df).
Thalassius jayakari Sierwald, 1987: 114, f. 123-125 (f, S).

Thalassius kolosvaryi Caporiacco, 1947c: 116, pl. 1, f. 6 (Dm; N.B.: probably a S of Thalassius spinosissimus, per Sierwald, 1987: 79).
Thalassius kolosvaryi Roewer, 1955b: 345, f. 144a-c (m, Df; N.B.: apparently a mixed lot of Thalassius spinosissimus and Thalassius rossi, per Sierwald, 1987: 80, 105).

Thalassius leoninus Strand, 1916b: 75 (Df).
Thalassius leoninus Sierwald, 1984: 413, f. 6a-d (Df; removed from S of Thalassius leo).

Thalassius majungensis Strand, 1907d: 741 (Dj).
Thalassius majungensis Roewer, 1955b: 328, f. 135 (f).
Thalassius majungensis Sierwald, 1984: 409, f. 2-4a (f).

Thalassius margaritatus Pocock, 1898g: 518, pl. 41, f. 8 (Df).
Thalassius margaritatus Strand, 1908m: 108, pl. 2, f. 10 (f, Dm).
Thalassius insulanus Berland, 1922: 79, f. 24 (Df).
Thalassius cataractus Lawrence, 1927: 46, pl. 2, f. 34 (Df).
Thalassius insulanus Berland, 1932b: 270, f. 383 (f).
Thalassius albopunctatus Caporiacco, 1949a: 334 (Dj).
Thalassius cataractus Roewer, 1955b: 287, f. 103 (f).
Thalassius margaritatus Roewer, 1955b: 333, f. 137a-b (m).
Thalassius albopunctatus Roewer, 1955b: 335, f. 138a-b (Df).
Thalassius insulanus Roewer, 1955b: 338, f. 139 (f).
Thalassius margaritatus Sierwald, 1987: 97, f. 58, 75-89 (mf, S).
Nilus margaritatus Dippenaar-Schoeman et al., 2020q: 43, p. 40: 1 f., p. 41: 1 f., p. 43: 9 f. (mf).

Dolomedes massajae Pavesi, 1883: 68 (Df).
Thalassius massajae Strand, 1907m: 701.
Thalassius gaerdesi Roewer, 1955b: 288, f. 104 (Df).
Thalassius mubaleus Roewer, 1955b: 302, f. 114 (Df).
Thalassius massajae Sierwald, 1987: 85, f. 35-41, 44-45, 49, 54 (f, Dm, S).
Nilus massajae Dippenaar-Schoeman et al., 2020q: 44, p. 40: 1 f., p. 41: 1 f., p. 44: 5 f. (mf).

Thalassius paralbocinctus Zhang, Zhu & Song, 2004d: 409, f. 163-169 (Dmf).
Thalassius paralbocinctus Jäger, 2007: 44, f. 44-46 (f).

Thalassius phipsoni F. O. Pickard-Cambridge, 1898: 31 (Df, omitted by Roewer).
Thalassius lombokanus Strand, 1915b: 254 (Df).
Thalassius phipsoni Lee, 1966: 58, f. 21a-b (f).
Thalassius affinis Song & Zheng, 1982c: 157, f. 5-8 (Dmf).
Thalassius affinis Hu, 1984: 264, f. 278.1-4 (mf).
Thalassius phipsoni Hu, 1984: 265, f. 279.1-2 (f).
Thalassius affinis Song, 1987: 212, f. 172 (mf).
Thalassius phipsoni Sierwald, 1987: 116, f. 126, 128-131, 141-142 (f, Sm).
Thalassius affinis Feng, 1990: 161, f. 136.1-6 (mf).
Thalassius affinis Chen & Gao, 1990: 138, f. 173a-b (mf).
Thalassius phipsoni Chen & Zhang, 1991: 225, f. 234.1-4 (f, Dm).
Thalassius phipsoni Song, Zhu & Chen, 1999: 353, f. 204O-Q (mf).
Thalassius phipsoni Zhang, Zhu & Song, 2004d: 412, f. 170-175, 262-267 (mf).
Thalassius phipsoni Yin et al., 2012: 897, f. 452a-f (mf).

Thalassius pictus Simon, 1898f: 17 (Dj).
Thalassius insignis Pocock, 1900g: 868, pl. 57, f. 23 (Df).
Thalassius insignis Roewer, 1955b: 309, f. 121 (f).
Thalassius pictus Sierwald, 1987: 109, f. 60-61, 111-115, 119, 121-122 (f, Dm, S).

Thalassius pseudoalbocinctus Sen, Saha & Raychaudhuri, 2010a: 226, f. 1-6 (Df).
Nilus pseudoalbocinctus Sen et al., 2015: 90, f. 519-523, pl. 20 (f).
Nilus pseudoalbocinctus Dhali, Saha & Raychaudhuri, 2017: 85, f. 464-468, pl. 26 (f).

Thalassius pseudojuvenilis Sierwald, 1987: 89, f. 56-57 (Df).

Thalassius radiatolineatus Strand, 1906b: 671 (Df).
Thalassius radiatolineatus Strand, 1908m: 111, pl. 2, f. 2a (f).
Thalassius brunneopictus Caporiacco, 1940c: 789, f. 9 (Df).
Thalassius marfieldi Roewer, 1955b: 320, f. 129a-b (Df).
Thalassius kästneri Roewer, 1955b: 339, f. 140a-b (Df).
Thalassius kaestneri Roewer, 1955c: 148.
Thalassius radiatolineatus Sierwald, 1987: 102, f. 55, 90-102, 116-117 (f, Dm, S).
Nilus radiatolineatus Dippenaar-Schoeman et al., 2020q: 45, p. 41: 1 f., p. 45: 8 f. (mf).

Thalassius rossii Pocock, 1902a: 15, pl. 3, f. 1 (Df).
Thalassius rossii Roewer, 1955b: 287, f. 102 (f).
Thalassius harpago Roewer, 1955b: 352, f. 149a-c (Dm).
Thalassius rossii Sierwald, 1987: 105, f. 59, 103-110, 118, 120 (f, Sm).
Nilus rossi Dippenaar-Schoeman et al., 2020q: 46, f. p. 41: 1 f., p. 46: 6 f. (mf).

Thalassius rubromaculatus Thorell, 1899: 81 (Df).
Thalassius formosus Pocock, 1900g: 865, pl. 57, f. 19 (Dj).
Thalassius guineensis annulatus Lessert, 1928: 344, f. 26 (Df).
Thalassius fimbriatus Roewer, 1955b: 283, f. 100a-c (mf, misidentified).
Thalassius formosus Roewer, 1955b: 312, f. 123 (Dm).
Thalassius rubromaculatus Sierwald, 1987: 92, f. 2-4, 19-20, 47, 62-74 (mf, removed from S of Thalassius guineensis, S).
Thalassius rubromaculatus Sierwald, 1989b: 18, f. 61 (f).
Thalassius rubromaculatus Sierwald, 1990: 33, f. 8, 40 (m).