Flabellum (F.) curvatum Moseley, 1881: 174–175, pl. 6, figs. 3a–d. — Cairns, 1982: 35–38, pl. 10, figs. 10–11, pl. 11, figs. 6–9, map 9.
New Record. — Akebono Maru 72–85, 55°01.7'S, 72°27.2'W, 275 m, 18 Nov 1978, 1 corallum, MNHNS.
Remarks. — Flabellum curvatum is known off Chile from only two records from the Drake Passage off Cape Horn (406–1137 m) reported by Cairns (1982), and off Isla Stewart (275 m, 55°S) reported herein. Like B. malouinensis, its primary distribution is off southeastern South America from Rio de la Plata to Cape Horn, Falkland Islands and South Georgia at depths of 115–1097 m. It is distinguished from F. apertum by having a smooth calicular edge and a bent or curved pedicel.