Species that contain: Eugnathichthys and eetveldii [ 2 ] records

eetveldii, Eugnathichthys Boulenger [G. A.] 1898:26, Pl. 12 [Annales du Musee du Congo (Ser. Zoologie) v. 1 (fasc. 2); ref. 4864] Kinshasa [Léopoldville]; Boma; New Antwerp; Upoto, Congo. Syntypes: BMNH 1898.11.17.8-9 (2) Leopoldville; MRAC 26 (1) Boma, 121 (1) Leopoldville, 148 (1) Upoto. •Valid as Eugnathichthys eetveldii Boulenger 1898 -- (Daget & Gosse 1984:193 [ref. 6185], Poll & Gosse 1995:153 [ref. 24781], Stiassny et al. 2013:479 [ref. 32812], Munene et al. 2021:22 [ref. 39283], Musschoot 2024:339 [ref. 40817]). Current status: Valid as Eugnathichthys eetveldii Boulenger 1898. Distichodontidae. Distribution: Central Africa: Congo River basin. Habitat: freshwater.

intermedius, Eugnathichthys Pappenheim [P.] in Pappenheim & Boulenger 1914:234, Pl. 4 (fig. 5) [Wissenschaftliche Ergebnisse der Deutschen Zentral-Afrika Expedition, 1907-1908 v. 5 (Zool. 3); ref. 18518] Aruwimi River, Basoko, Democratic Republic of Congo. Holotype (unique): ZMB 19043. Type catalog: Zarske 2011:84 [ref. 31375]. •Synonym of Eugnathichthys eetveldii Boulenger 1898 -- (Daget & Gosse 1984:193 [ref. 6185], Zarske 2011:84 [ref. 31375], Musschoot 2024:340 [ref. 40817]). Current status: Synonym of Eugnathichthys eetveldii Boulenger 1898. Distichodontidae. Habitat: freshwater.