stigmasemion, Nannostomus Fowler [H. W.] 1913:523, Fig. 4 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 65; ref. 1389] Tributary of Rio Madeira near Porto Velho, Brazil. Holotype (unique): ANSP 39188 [juvenile]. Type catalog: Böhlke 1984:119 [ref. 13621]. In genus Pyrrhulina. Not in Reis et al. 2003 [ref. 27061]. Apparently not treated by Weitzman & Weitzman in Reis et al. 2003 [ref. 27061]. •Valid as Pyrrhulina stigmasemion (Fowler 1913) -- (Sarmiento et al. 2014:186 [ref. 35004]). •Synonym of Copella callolepis (Regan 1912) -- (Marinho & Menezes 2017:18 [ref. 35572], Marinho 2024:379 [ref. 40817]). Current status: Synonym of Copella callolepis (Regan 1912). Lebiasinidae: Pyrrhulininae. Habitat: freshwater.