Eocallionymus Nakabo [T.] 1982:89 Masc. Callionymus papilio Günther 1864. Type by original designation (also monotypic). •Synonym of Synchiropus Gill 1859 -- (Fricke 1982:74 [ref. 5432], Fricke 1983:563 [ref. 8349]). •Synonym of Synchiropus Gill 1859, but a valid subgenus Eocallionymus -- (Fricke 2002:52, 103 [ref. 26547]). •Valid as Eocallionymus 1982 -- (Houde 1984:637 [ref. 13674], Gomon et al. 1994:775 [ref. 22532], Hoese & Bray 2006:1582 [ref. 29000], Gomon & Yearsley 2008:742 [ref. 30631]). Current status: Synonym of Synchiropus Gill 1859. Callionymidae.