lucenae, Phenacogaster Souza [C. S.], Mattox [G. M. T.], Vita [G.], Ochoa [L. E.], Melo [B. F.] & Oliveira [C.] 2023:5, Figs. 2-4 [ZooKeys No. 1164; ref. 40222] Stream affluent of Rio Curuá, Rio Xingu, Amazon basin, Novo Progresso, Pará, Brazil, 08°29'59"S, 54°58'06.1"W. Holotype: MZUSP 126754. Paratypes: LBP, MZUSP. Plus additional non-type material. •Valid as Phenacogaster lucenae Souza, Mattox, Vita, Ochoa, Melo & Oliveira 2023. Current status: Valid as Phenacogaster lucenae Souza, Mattox, Vita, Ochoa, Melo & Oliveira 2023. Characidae: Characinae. Distribution: South America: upper Xingu, upper Araguaia and upper Tapajós River drainages, Amazon basin, Pará and Mato Grosso States, Brazil. Habitat: freshwater.