Semipallium fulvicostatum (Adams & Reeve, 1850)

Pecten fulvicostatus Adams & Reeve, 1850: 74, pl.21, fig.11.

Semipallium fulvicostatum – Raines & Poppe 2006: 242, pl. 194, figs 5, 6, 8, 9 (references, type data, original and additional descriptions, distribution).

MATERIAL EXAMINED. — Philippines. Sulu Archipelago, holotype spm (NHMUK 1950.11.14.31) .

Vanuatu. SANTO 2006, stn DS04, 15°31.4’S, 167°14.1’E, 25 m, 2 rv. — Stn DS06, 15°30.9’S, 167°11.1’E, 8-15 m, 1 lv, 1 rv. — Stn DS10, 15°36.6’S, 167°10.1’E, 6-24 m, 2 lv, 2 rv. — Stn DR11, 15°36.6’S, 167°10.1’E, 6-24 m, 1 spm. — Stn DB14, 15°30.9’S, 167°11.0’E, 10-14 m, 1 spm. — Stn LS17, 15°31.1’S, 167°10.5’E, 7 m, 1 spm, 4 lv, 3 rv. — Stn ZS19, 15°31.4’S, 167°14.1’E, 15-30 m, 1 rv. — Stn DS31, 15°31.4’S, 167°09.7’E, 5 m, 1 lv. — Stn NS36, 15°31.7’S, 167°09.5’E, 2-3 m, 1 lv. — Stn NS37, 15°31.4’S, 167°09.8’E, 2-3 m, 7 lv, 4 rv. — Stn DR41, 15°28.8’S, 167°15.2’E, 5-20 m, 2 spms. — Stn DS43, 15°27.9’S, 167°14.3’E, 22 m, 1 lv, 3 rv. — Stn DS54, 15°28.8’S, 167°15.2’E, 5 m, 1 rv. — Stn VM58, 15°28.6’S, 167°15.3’E, intertidal, 1 spm. — Stn DS91, 15°33.7’S, 167°08.4’E, 7 m, 2 lv, 4 rv. — Stn FS96, 15°33.1’S, 167°09.6’E, 35 m, 1 lv. — Stn DS99, 15°32.5’S, 167°16.9’E, 100-105 m, 1 lv. — Stn DS104, 15°34.1’S, 167°16.0’E, 80 m, 1 rv .

DISTRIBUTION. — Western and southwestern Pacific, from southern Japan southwards to northern Australia, and eastwards to French Polynesia, live in intertidal to 49 m (ZMA, unpublished data). Vanuatu is a new record.