tridens, Dysomma Robins [C. H.], Böhlke [E. B.] & Robins [C. R.] in Robins & Robins 1989:250, Figs. 237-240 [Memoirs of the Sears Foundation of Marine Research Mem. 1 (pt 9); ref. 13287] Off Belize, Caribbean Sea, Oregon station 3634, 16°44'N, 87°55'W, depth 190 fathoms. Holotype (unique): USNM 193563. Type catalog: Smith 1994:37 [ref. 21917]. First author is C. H. Robins. •Valid as Dysomma tridens Robins, Böhlke & Robins 1989 -- (Smith 2003:723 [ref. 26989], Fricke et al. 2018:6 [ref. 35780], Prokofiev 2019:321 [ref. 36804]). Current status: Valid as Dysomma tridens Robins, Böhlke & Robins 1989. Synaphobranchidae: Ilyophinae. Distribution: Caribbean Sea. Habitat: marine.