Diastobranchus Barnard [K. H.] 1923:441 Masc. Diastobranchus capensis Barnard 1923. Type by monotypy. Diactobranchus is a misspelling. •Synonym of Synaphobranchus Johnson 1862 (Robins & Robins 1989:219 [ref. 13287]). •Valid as Diastobranchus Barnard 1923 -- (Castle 1986:188 [ref. 5644], Paxton et al. 1989:107 [ref. 12442], Gon 1990:102 [ref. 21680], Gomon et al. 1994:195 [ref. 22532], Sulak & Shcherbachev 1997:1161 [ref. 22986], Karmovskaya 2003:438 [ref. 27168], Paxton et al. 2006:261 [ref. 28995], Smith 2008:161 [ref. 30621], Svendsen et al. 2011:255 [ref. 31757], Smith & Stewart 2015:241 [ref. 34234]). Current status: Valid as Diastobranchus Barnard 1923. Synaphobranchidae: Synaphobranchinae.