longiventralis, Sciadonus Nielsen [J. G.] 2018:182, Figs. 6-7 [Cybium v. 42 (no. 2); ref. 36002] Off New South Wales, 35°0.00'S - 34°54.42'S, 151°16.30'E - 151°13.36'E, depth 1100 meters. Holotype (unique): NMV A5672. •Valid as Sciadonus longiventralis Nielsen 2018 -- (Nielsen et al. 2019:568 [ref. 36568], Melo et al. 2021:5 [ref. 38956]). Current status: Valid as Sciadonus longiventralis Nielsen 2018. Bythitidae. Distribution: Off New South Wales, Southwest Pacific. Habitat: marine.