amazonicus, Microphilypnus Myers [G. S.] 1927:134 [Bulletin of the Museum of Comparative Zoology v. 68 (no. 3); ref. 3096] Rio Negro, Igarapé do Mai Joana, Manaus, Brazil. Holotype (unique): CAS 76819 [ex IU 17703]. See Caires & Figueiredo 2011:49 [ref. 31523] for remarks on the type locality. •Valid as Microphilypnus amazonicus Myers 1927 -- (Kullander in Reis et al. 2003:662 [ref. 27061], Menezes in Menezes et al. 2003:97 [ref. 27192], Thacker et al. 2006:495 [ref. 28798], Van Tassell 2011:148 [ref. 31732], DoNascimiento 2016:541 [ref. 34727]). •Synonym of Microphilypnus ternetzi Myers 1927 -- (Caires & Figueiredo 2011:45 [ref. 31523], see DoNascimiento et al. 2017:[24] [ref. 35679], Parenti 2021:51 [ref. 38603]). Current status: Synonym of Microphilypnus ternetzi Myers 1927. Eleotridae: Eleotrinae. Habitat: freshwater.