flaccidum, Melanostigma Waite [E. R.] 1914:129, Pl. 6 [Transactions of the New Zealand Institute v. 46 (art. 22); ref. 14178] Kaikoura, New Zealand, at surface. Holotype (unique): whereabouts unknown. •Synonym of Melanostigma gelatinosum Günther 1881 -- (Anderson 1988:62 [ref. 7304], Anderson 1990:270 [ref. 21695], Anderson 1994:119 [ref. 21438], Anderson & Fedorov 2004:8 [ref. 27603]). •Valid as Melanostigma flaccidum Waite 1914 -- (Balushkin 2019:287 [ref. 36807]). Current status: Valid as Melanostigma flaccidum Waite 1914. Zoarcidae: Gymnelinae. Distribution: East coast of South Island, New Zealand. Habitat: marine.