potaroensis, Aequidens Eigenmann [C. H.] 1912:490, Pl. 66 (fig. 2) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Amatuk, Guyana. Holotype: FMNH 53892 [ex CM 2407]. Paratypes: BMNH 1911.10.31.25-26 (2); CAS 66883 [ex IU 12530] (5) 66887 [ex IU 12534] (1), 66889 [ex IU 12535] (2), 66893 [ex IU 12529] (5), 67011 [ex 12528] (1), 67011 [ex IU 12528], 67012-13 [ex 12532] (4, 1), 78965 [ex 12531] (5); FMNH (79, 14 localities); MCZ 30141 [CM 2393 or IU 12529] (2); NMW 32992-93 (1, 1); CAS-SU 21926 (2); USNM 66118 (2); ZMA 111427 (2), ZMB 18073 (1). Type catalog: Henn 1928:95 [ref. 12305], Böhlke 1953:81 [ref. 12291], Nijssen et al. 1982:83 [ref. 19236], Ibarra & Stewart 1987:6 [ref. 12367], Paepke & Schindler 2013:261 [ref. 32895]. Originally as potaroënsis. •Valid as Aequidens potaroensis Eigenmann 1912 -- (Kullander in Reis et al. 2003:609 [ref. 27061], Kullander 2012:52 [ref. 31798], Hernández-Acevedo et al. 2015:105 [ref. 34438], see DoNascimiento et al. 2017:[28] [ref. 35679], Taphorn et al. 2022:30 [ref. 41297]). Current status: Valid as Aequidens potaroensis Eigenmann 1912. Cichlidae: Cichlinae. Distribution: South America: Essequibo River basin (Guyana) endemic. Habitat: freshwater.