Micromoema Costa [W. J. E. M.] 1998:78 Fem. Pterolebias xiphophorus Thomerson & Taphorn 1992. Type by original designation (also monotypic). •Valid as Micromoema Costa 1998 -- (Lazara 2001:207 [ref. 25711], Costa in Reis et al. 2003:531 [ref. 27061], Costa 2004:2 [ref. 27874], Costa 2005:24 [ref. 28393], Huber 2005:15 [ref. 28394], Costa 2014:177 [ref. 35439], Loureiro et al. 2018:6 [ref. 36240]). Current status: Valid as Micromoema Costa 1998. Rivulidae: Rivulinae.