compressiceps, Crenicichla Ploeg [A.] 1986:63, Pl. 4 (upper) [Beaufortia v. 36 (no. 5); ref. 8054] Rapids downstream of Jatobal, Brazil. Holotype: INPA 855. Paratypes: INPA 862 (3), 872 (5), 877-78 (1, 21), 977 (6); MZUSP 32.772 (18); ZMA 119469 (4), 119762-63 (5, 14). •Valid as Crenicichla compressiceps Ploeg 1986 -- (Ploeg 1991:85 [ref. 20196], Kullander in Reis et al. 2003:627 [ref. 27061], Staeck 2003:133 [ref. 27488], Ito & Rapp Py-Daniel 2015:477 [ref. 33978], Staeck 2017:233 [ref. 35639]). •Valid as Wallaciia compressiceps (Ploeg 1986) -- (Varella et al. 2023:2 [ref. 40273]). Current status: Valid as Wallaciia compressiceps (Ploeg 1986). Cichlidae: Cichlinae. Distribution: South America: lower Tocantins River drainage, Amazon basin, Brazil. Habitat: freshwater.