vinculus, Radulinus (Radulinellus) Bolin [R. L.] 1950:197, Fig. 1 [Copeia 1950 (no. 3); ref. 510] Bechers Bay, Santa Rosa Island, California, U.S.A., depth 15 fathoms. Holotype (unique): CAS-SU 15491. Type catalog: Böhlke 1953:132 [ref. 12291]. •Valid as Radulinus vinculus Bolin 1950 -- (Eschmeyer & Herald 1983:182 [ref. 9277], Yabe & Maruyama 2001:59 [ref. 25245], Nelson et al. 2004:121 [ref. 27807], Love et al. 2005:91 [ref. 37547], Page et al. 2013:124 [ref. 32708], Love et al. 2021:125 [ref. 39279]). Current status: Valid as Radulinus vinculus Bolin 1950. Psychrolutidae: Radulininae. Distribution: Northeastern Pacific: central to southern California (U.S.A.). Habitat: marine.