microcephalus, Abramites Norman [J. R.] 1926:92 [Annals and Magazine of Natural History (Series 9) v. 18 (no. 103); ref. 15602] Near the mouth of the Amazon River, Brazil. Holotype (unique): BMNH 1926.3.2.571. •Synonym of Abramites hypselonotus (Günther 1868) -- (Vari & Williams 1987:93 [ref. 5980], Taphorn 1992:30 [ref. 23654], Garavello & Britski in Reis et al. 2003:72 [ref. 27061], Litz & Koerber 2014:8 [ref. 33622], Mirande & Koerber 2015:13 [ref. 35117], Koerber et al. 2017:17 [ref. 35267]). Current status: Synonym of Abramites hypselonotus (Günther 1868). Anostomidae. Habitat: freshwater.