nigriventris, Macrocephenchelys Lin [J.], Shao [K.-T.] & Smith [D. G.] 2018:194, Figs. 3C, 5-7 [Zootaxa 4454 (no. 1); ref. 36045] Nan-fang-ao, Yilan, northeastern Taiwan, depth about 200 meters. Holotype: TOU-AE 6893. Paratypes: ASIZP, NMMBP, TOU-AE, USNM. •Valid as Macrocephenchelys nigriventris Lin, Shao & Smith 2018 -- (Ho et al. 2018:12 [ref. 36050], Kodeeswaran et al. 2023:5 [ref. 40191]). Current status: Valid as Macrocephenchelys nigriventris Lin, Shao & Smith 2018. Congridae: Congrinae. Distribution: Western Pacific: northeastern and southwestern Taiwan. Habitat: marine.