japonicus, Dysomma Matsubara [K.] 1936:961, Fig. [Dobutsugaku Zasshi = Zoological Magazine Tokyo v. 48 (no. 11); ref. 13721] Kumano-Nada, southeast of Kii Peninsula, Japan, depth 150 fathoms. Holotype: FAKU 1941. Paratypes: FAKU 1942 (1, not seen in 1997). •Synonym of Dysomma anguillare Barnard 1923 -- (Robins & Robins 1989:246 [ref. 13287], Ho et al. 2015:91 [ref. 34124], Fricke et al. 2018:5 [ref. 35780]). Current status: Synonym of Dysomma anguillare Barnard 1923. Synaphobranchidae: Ilyophinae. Habitat: marine.