brevibrachium, Parasciadonus Nielsen [J. G.] 1984:40, Fig. 1 [Cybium v. 8 (no. 1); ref. 5156] Central Atlantic, 10°59'N, 45°15'W, depth 5073 meters. Holotype (unique): MNHN 1979-228. •Valid as Parasciadonus brevibrachium Nielsen 1984 -- (Nielsen & Cohen in Nielsen et al. 1999:141 [ref. 24448], Nielsen 2003:976 [ref. 27009], Garrido-Linares & Acero P. 2006:289 [ref. 28946], Møller et al. 2016:Appendix A [ref. 34432] in Bythitidae, Nielsen 2016:222 [ref. 34855]). Current status: Valid as Parasciadonus brevibrachium Nielsen 1984. Bythitidae. Distribution: Atlantic. Habitat: marine.