simulatus, Phenacogaster Lucena [Z. M. S. de] & Malabarba [L. R.] 2010:283, Fig. 11 [Zoologia (Sociedade Brasileira de Zoologia) v. 27 (no. 2); ref. 30880] Tukett Falls, Rio Potaro, Mahdia, 5°12'18"N, 59°26'55"W, Potaro-Siparuni, Guiana. Holotype: ROM 72774. Paratypes: ANSP 170210 (4); MCP 29197 (2), 29198 (3), 33610 (1); ROM 61469 (34, 2 c&s). The gender of Phenacogaster is feminine, therefore mandatory correction to simulata (R. Fricke, 1 May 2016). •Valid as Phenacogaster simulata Lucena & Malabarba 2010. Current status: Valid as Phenacogaster simulata Lucena & Malabarba 2010. Characidae: Characinae. Distribution: Potaro River, Essequibo River drainage, Guiana. Habitat: freshwater.