gracilis, Myroconger Castle [P. H. J.] 1991:149, Fig. 1 [Copeia 1991 (no. 1); ref. 15488] Kyushu-Palau Ridge, western North Pacific, 26°46.5'N, 135°20.3'E to 26°46.4'N, 135°20.8'E. Holotype (unique): HUMZ 80284. •Valid as Myroconger gracilis Castle 1991 -- (Castle & Béarez 1995:218 [ref. 21926], Nakabo 2000:195 [ref. 25086], Nakabo 2002:195 [ref. 26001], Karmovskaya 2006:590 [ref. 28855], Espíndola et al. 2021:538 [ref. 38295]). Current status: Valid as Myroconger gracilis Castle 1991. Myrocongridae. Distribution: Western North Pacific: north of Kyushu-Palau Ridge. Habitat: marine.