spilomma, Hemiancistrus Cardoso [A. R.] & Lucinda [P. H. F.] 2003:75, Fig. 2 [Ichthyological Exploration of Freshwaters v. 14 (no. 1); ref. 26858] Rio Tocantins near mouth of rio Lajeado, Porto Franco, Tocantins, Brazil. Holotype: MCP 28425. Paratypes: MCP 26479-82 (1, 1, 1, 1), 26485-86 (1, 1); MNRJ 21000-02 (1, 1, 1); UNT 4482 (1), 4484 (1), 4486 (1), 4488 (1), 4491 (1), 4495 (1), 4496 (1), 4503 (1), 4548 (1). Type catalog: Ferraris 2007:244 [ref. 29155]. •Valid as Hemiancistrus spilomma Cardoso & Lucinda 2003 -- (Ferraris 2007:244 [ref. 29155]). •Valid as Ancistomus spilomma (Cardoso & Lucinda 2003) -- (Armbruster et al. 2015:100 [ref. 33670], Koerber et al. 2022:52 [ref. 39235]). Current status: Valid as Ancistomus spilomma (Cardoso & Lucinda 2003). Loricariidae: Hypostominae. Distribution: South America: lower and upper Tocantins drainage, lower Amazon River basin (Brazil). Habitat: freshwater.