praecox, Pseudocetopsis Ferraris [C. J., Jr.] & Brown [B. A.] 1991:162, Fig. 1 [Copeia 1991 (no. 1); ref. 16686] Neblina base camp, Río Mawarinuma, Río Baria drainage, Territory Fed. Amazonas, southern Venezuela, 0°55'N, 66°10'W, elevation 120 meters. Holotype: AMNH 74446. Paratypes: AMNH 74445 (orig. 6, now 4, 1 c&s), 74447-48 (2, 3), 74449 (orig. 7, now 5, 1 c&s); MBUCV-V-20302 to 03 [ex AMNH] (2, 2); USNM [ex AMNH] 309184 (2). Type catalog: Ferraris & Vari 1992:16 [ref. 19771], Provenzano et al. 1998:15 [ref. 24196], Ferraris 2007:133 [ref. 29155] •Valid as Pseudocetopsis praecox Ferraris & Brown 1991 -- (Burgess & Finley 1996:167 [ref. 22901], de Pinna & Vari 1995:3 [ref. 21651], Vari & Ferraris in Reis et al. 2003:259 [ref. 27061]). •Valid as Denticetopsis praecox (Ferraris & Brown 1991) -- (Vari et al. 2005:213 [ref. 28270], de Pinna et al. 2007:802 [ref. 29247], Ferraris 2007:133 [ref. 29155], see DoNascimiento et al. 2017:[21] [ref. 35679]). Current status: Valid as Denticetopsis praecox (Ferraris & Brown 1991). Cetopsidae: Cetopsinae. Distribution: Baria River, upper Negro River basin, southern Venezuela. Habitat: freshwater.