japonicus, Homostolus Matsubara [K.] 1943:47, Fig. 9 [The Journal of the Sigenkagaku Kenkyusyo v. 1 (no. 1); ref. 6514] Heta, Japan, depth 208 fathoms. Holotype: FAKU 6535. Paratypes: FAKU 6536 (1). •Valid as Homostolus japonicus Matsubara 1943 -- (Machida in Masuda et al. 1984:100 [ref. 6441], Nielsen 1997:59 [ref. 23255], Nielsen & Cohen in Nielsen et al. 1999:68 [ref. 24448]). •Synonym of Homostolus acer Smith & Radcliffe 1913 -- (Machida & Okamura 1992 [ref. 19823], Nielsen in Randall & Lim 2000:596 [ref. 25122]). Current status: Synonym of Homostolus acer Smith & Radcliffe 1913. Ophidiidae: Neobythitinae. Habitat: marine.