etheostoma, Tripterygium Jordan [D. S.] & Snyder [J. O.] 1902:444, Fig. 1 [Proceedings of the United States National Museum v. 25 (no. 1293); ref. 2516] Misaki, Japan. Holotype: CAS-SU 7065. Paratypes: CAS-SU 7100 (27), USNM 50299 (7). Type catalog: Böhlke 1953:99 [ref. 12291], Springer & Orrell 1996:26 [ref. 22274]. Types: Shinohara & Williams 2006:561 [ref. 31656]. Original genus should have been Tripterygion. Treated as a noun in apposition, the spelling etheostoma is correct in Enneapterygius. •Valid as Tripterygion etheostoma (Jordan & Snyder) -- (Lindberg & Krasyukova 1975:24 [ref. 7348]). •Valid as Rosenblatella etheostoma (Jordan & Snyder 1902) -- (Shen 1994:25 [ref. 21605]). •Valid as Enneapterygius etheostomus (Jordan & Snyder 1902) -- (Yoshino in Masuda et al. 1984:294 [ref. 6441] with authors as Jordan & Seale, Fricke 1987:336 [ref. 9108], Fricke 1997:185, 567 [ref. 23339], Fricke & Williams in Randall & Lim 2000:632 [ref. 25122], Nakabo 2000:1083 [ref. 25182], Sadovy & Cornish 2000:233 [ref. 25480], Shinohara et al. 2000:181 [ref. 25987], Shimizu 2001:36 [ref. 25799], Nakabo 2002:1083 [ref. 26193], Choi et al. 2003:387, 649 [ref. 26218], Chiang & Chen 2008:194 [ref. 29932], Fricke 2009:39 [ref. 30394], Patzner et al. 2009:445 [ref. 30396], Motomura et al. 2010:183 [ref. 31256], Fricke & Erdmann 2017:27 [ref. 35129], Kwun et al. 2017:142 [ref. 37287], Cornejo et al. 2018:17 [ref. 36409]). •Valid as Enneapterygius etheostoma (Jordan & Snyder 1902) -- (Motomura et al. 2005:13 [ref. 28338], Endo et al. 2010:14 [ref. 30815], Motomura et al. 2015:27 [ref. 34709], Kim et al. 2020:163 [ref. 39118], Sonoyama et al. 2020:98 [ref. 37637]). Current status: Valid as Enneapterygius etheostoma (Jordan & Snyder 1902). Tripterygiidae: Tripterygiinae. Distribution: Northwestern Pacific: Vietnam and China east to Taiwan, north to Korea and southern Japan. Habitat: marine.