amphioxus, Pygidianops de Pinna [M. C. C.] & Kirovsky [A. L.] 2011:494, Figs. 1-9, 12 [Neotropical Ichthyology v. 9 (no. 3); ref. 31517] Manaus, Reserva Adolfo Ducke, igarapé do Acará, tributary to rio Tarumã, itself a tributary of rio Negro, 3°08'S, 60°02'W, Amazonas, Brazil. Holotype: INPA 34661. Paratypes: INPA 12427 (4), 16556 (2); MZUSP 86951 (14), 87676 (21), 105878 (6), 105879 (3), 105880 (6). Plus non-type specimens •Valid as Pygidianops amphioxus de Pinna & Kirovsky 2011 -- (Carvalho et al. 2014:59 [ref. 33121]). Current status: Valid as Pygidianops amphioxus de Pinna & Kirovsky 2011. Trichomycteridae: Glanapteryginae. Distribution: Rio Negro to Amazon basin, Brazil. Habitat: freshwater.