Rivulichthys Myers [G. S.] 1927:118 Masc. Rivulus rondoni Miranda Ribeiro 1920. Type by original designation (also monotypic). •Synonym of Trigonectes Myers 1925 -- (Parenti 1981:484 [ref. 7066], Costa 1990:137 [ref. 14542], Costa 1990:87 [ref. 16650], Costa 1998:78 [ref. 23792], Costa in Reis et al. 2003:543 [ref. 27061]). •Synonym of Trigonectes Myers 1925, but a valid subgenus Rivulichthys -- (Lazara 2001:309 [ref. 25711]). Current status: Synonym of Trigonectes Myers 1925. Rivulidae: Rivulinae.