dientonito, Roeboides dayi Schultz [L. P.] 1944:304, Fig. 39 [Proceedings of the United States National Museum v. 95 (no. 3181); ref. 3960] Río Palmar at the bridge, 70 kilometers southwest of Maracaibo, Venezuela. Holotype: USNM 121370. Paratypes: USNM 121371 (orig. 91, now 90), 121372-73 (14, 2), 121374 (orig. 24, now 23), 121375 (now 106), 121376-77 (2, 26), 121378 (now 0), 121379 (orig. 155, now 149), 121380-82 (1, 21, 20), 121384 (71); Géry coll. [ex USNM 121379] (6);MCZ 37270 [ex USNM 121383]; UMMZ 145028 [ex USNM 121378] (6 or 5); ZMA 110437 [ex USNM 121375] (6), 113846 (1). Type catalog: Nijssen et al. 1982:24 [ref. 19236], Vari & Howe 1991:37-38 [ref. 19022]. •Mention -- (Taphorn 1992:318 [ref. 23654]). •Valid as Roeboides dientonito Schultz 1944 -- (González Bencomo et al. 1997:158 [ref. 24960], Lucena 1998:39 [ref. 23597], Lucena 2000:18 [ref. 24559], Lucena & Menezes in Reis et al. 2003:205 [ref. 27061], Lucena 2011:1663 [ref. 31620], Phillip et al. 2013:17 [ref. 32896], DoNascimiento et al. 2017:48 [ref. 35633], Urbano-Bonilla et al. 2018:87 [ref. 35773]). Current status: Valid as Roeboides dientonito Schultz 1944. Characidae: Characinae. Distribution: Lake Maracaibo and Orinoco River basin and rivers of northwestern Guyana: Colombia, Guyana and Venezuela; Trinidad and Tobago. Habitat: freshwater.