Species that contain: Helogenes and marmoratus [ 4 ] records

amazonae, Helogenes Delsman [H. C.] 1941:80 [Mémoires du Musée royal d'histoire naturelle de Belgique (Ser. 2) No. 21; ref. 13171] Manaus, Amazonas, Brazil. Holotype: IRSNB 545. Type catalog: Walschaerts 1987:16 [ref. 20755], Ferraris 2007:134 [ref. 29155]. •Synonym of Helogenes marmoratus Günther 1863 -- (de Pinna & Vari 1995:3 [ref. 21651], Vari & Ferraris in Reis et al. 2003:258 [ref. 27061], Ferraris 2007:134 [ref. 29155]). Current status: Synonym of Helogenes marmoratus Günther 1863. Cetopsidae: Helogeninae. Habitat: freshwater.

marmoratus, Helogenes Günther [A.] 1863:443 [Annals and Magazine of Natural History (Series 3) v. 12 (no. 72); ref. 1973] Essequibo River, Guyana. Lectotype: BMNH 1864.1.21.83. Paralectotypes (?): BMNH 1864.1.21.84 (1, lost). Type catalog: Ferraris 2007:134 [ref. 29155]. Lectotype selected by Vari & Ortega 1986:16 [ref. 5837]. •Valid as Helogenes marmoratus Günther 1863 -- (Ortega & Vari 1986:16 [ref. 9708], Burgess 1989:288 [ref. 12860], de Pinna & Vari 1995:3 [ref. 21651], Le Bail et al. 2000:148 [ref. 24549], Vari & Ferraris in Reis et al. 2003:258 [ref. 27061], de Pinna et al. 2007:801 [ref. 29247], Ferraris 2007:134 [ref. 29155], Barriga Salazar 2014:110 [ref. 35745], Sarmiento et al. 2014:190 [ref. 35004], DoNascimiento et al. 2017:84 [ref. 35633], Brosse et al. 2019:134 [ref. 38320], Meza-Vargas et al. 2021:24 [ref. 39298], Koerber et al. 2022:54 [ref. 39235]). Current status: Valid as Helogenes marmoratus Günther 1863. Cetopsidae: Helogeninae. Distribution: South America: Atlantic drainages of Guianas, upper Orinoco and Negro systems and upper Amazon River basin (Brazil, Colombia, Bolivia, Ecuador, French Guiana, Guyana, Peru, Suriname and Venezuela). Habitat: freshwater.

unidorsalis, Helogenes Glodek [G. S.] & Carter [H. J.] 1978:77, Fig. 1 [Fieldiana Zoology v. 72 (no. 6); ref. 6159] Río Bobonaza between Sarayacu and Montalvo, eastern Ecuador. Holotype: FMNH 80463. Paratypes: (6) FMNH 80464 (5). Type catalog: Ibarra & Stewart 1987:43 [ref. 12367], Ferraris 2007:134 [ref. 29155]. •Synonym of Helogenes marmoratus Günther 1863 -- (de Pinna & Vari 1995:3 [ref. 21651], Vari & Ferraris in Reis et al. 2003:258 [ref. 27061], Ferraris 2007:134 [ref. 29155]). Current status: Synonym of Helogenes marmoratus Günther 1863. Cetopsidae: Helogeninae. Habitat: freshwater.

uruyensis, Helogenes marmoratus Fernández-Yépez [A.] 1967:166, Pls. 2, 3 (fig. 2) [Acta Biologica Venezuelica v. 5 (art. 10); ref. 7889] Río Uruyén, Venezuela. Holotype: MBUCV-V-14617 [ex AFY 56613] (whereabouts unknown). Paratypes: MBUCV-V-2615 (now 3, ?4), V-10852 [ex AFY 56614] (5); USNM 219598 [ex MBUCV-V 2615] (1). Type catalog: Ferraris & Vari 1992:17 [ref. 19771], Provenzano et al. 1998:10-11 [ref. 24196], Ferraris 2007:134 [ref. 29155]. •Valid as Helogenes uruyensis Fernández-Yépez 1967 -- (Burgess 1989:288 [ref. 12860], de Pinna & Vari 1995:3 [ref. 21651], Vari & Ferraris in Reis et al. 2003:258 [ref. 27061], de Pinna et al. 2007:801 [ref. 29247], Ferraris 2007:134 [ref. 29155]). Current status: Valid as Helogenes uruyensis Fernández-Yépez 1967. Cetopsidae: Helogeninae. Distribution: Uruyén River basin, Venezuela. Habitat: freshwater.