megacephalus, Thysanophrys Tanaka [S.] 1917:11 [Dobutsugaku Zasshi = Zoological Magazine Tokyo v. 29 (no. 339); ref. 4329] Fish market in Tokyo, Japan. Holotype (unique): ZUMT (lost or never at ZUMT). •Synonym of Ratabulus diveridens (McCulloch 1914) -- (Knapp 1999:2410 [ref. 24807] as diversidans). •Valid as Ratabulus megacephalus (Tanaka 1917) -- (Ochiai in Masuda et al. 1984:322 [ref. 6441], Yatou in Okamura et al. 1985:599, 729 [ref. 8056], Shao & Chen 1987:86 [ref. 8042], Lindberg & Krasyukova 1987:155 [ref. 15964], Imamura 1996:201 [ref. 22700], Lee & Joo 1998:219 [ref. 25739], Nakabo 2000:618 [ref. 25086], Knapp in Randall & Lim 2000:608 [ref. 25122], Sadovy & Cornish 2000:69 [ref. 25480], Shinohara et al. 2001:318 [ref. 25995], Nakabo 2002:618 [ref. 26001], Choi et al. 2003:258, 570 [ref. 26218], Imamura & Gomon 2010:19 [ref. 31104]). Current status: Valid as Ratabulus megacephalus (Tanaka 1917). Platycephalidae. Distribution: Western North Pacific: Japan to South China Sea to Philippines. Habitat: marine.