stagnatus, Rivulus Eigenmann [C. H.] 1909:50 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Christianburg, Guyana. Holotype: FMNH 52715 [ex CM 1082]. Paratypes: (19, CM and IU) BMNH 1911.10.31.536 (2); CAS 44228 [ex IU 11761] (3), 44228 (1, dessicated, not found); FMNH 7558 (1), 52716 (4); MCZ 29990 (1); NMW 83154 (1); CAS-SU 21971 (1); USNM 66303 (1); ZMB 18100 (1). Type catalog: Henn 1928:86 [ref. 12305], Böhlke 1953:54 [ref. 12291], Paepke & Seegers 1986:169 [ref. 19981], Ibarra & Stewart 1987:76 [ref. 12367]. •Valid as Rivulus stagnatus Eigenmann 1909 -- (Huber 1992:406 [ref. 20639], Murphy & Collier 1997:797 [ref. 25585], Lazara 2001:284 [ref. 25711], Costa in Reis et al. 2003:539 [ref. 27061], Suijker & Collier 2006:2 [ref. 28729], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Costa 2010:84 [ref. 30788], Vermeulen 2022:13 [ref. 39817]). •Valid as Anablepsoides stagnatus (Eigenmann 1909) -- (Costa 2011:243 [ref. 31655], Costa et al. 2013:292 [ref. 33108], Nielsen 2016:166 [ref. 34861], Taphorn et al. 2022:36 [ref. 41297]). Current status: Valid as Anablepsoides stagnatus (Eigenmann 1909). Rivulidae: Rivulinae. Distribution: South America: Atlantic coastal river basins (Guyana and Suriname). Habitat: freshwater.