Propeamussium alcocki (Smith, 1894)

Dijkstra, Henk H. & Maestrati, Philippe, 2008, New species and new records of deep-water Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae and Pectinidae) from the South Pacific, Mémoires du Muséum national d'Histoire naturelle 196, pp. 77-114 : 78-79

Propeamussium alcocki (Smith, 1894)

Amussium alcocki Smith, 1894: 172 , pl. 5, figs 15-16.

MATERIAL EXAMINED. — The type material (see Dijkstra 1995: 33 spms; stn CP 1415, 16˚31’S, 179˚00’W, 670-682 m, 1 spm; 13, figs 133-137). stn CP 1460, 18˚47’S, 178˚47’W, 750-767 m, 2 spms; stn CP Solomon. SALOMON 1: stn CP 1750, 09°15.6’S, 159°54.6’E, 1491, 18˚50’S, 178˚27’W, 777-787 m, 2 spms; stn CP 1502, 693- 696 m, 3 lv; stn CP 1751, 09°10.4’S, 159°53.0’E, 749-799 18˚21’S, 178˚27’W, 640-660 m, 2 spms; stn CP 1504, 18˚13’S, m, 1 lv; stn CP 1753, 09°02.7’S, 159°49.4’E, 1001-1012 m, 178˚34’W, 427-440 m, 1 spm.

4 spms. Tonga. BORDAU 2: stn CP 1625, 23˚28’S, 176˚22’W, 824 m, Fiji. BORDAU 1: stn CP 1413, 16˚10’S, 179˚24’W, 669-676 m, 6 spms.

DISTRIBUTION. — Gulf of Aden, Laccadive Sea, Bay of Bengal, Chesterfield Islands, New Caledonia, Loyalty Islands ( Dijkstra 1995: 13), Indonesia (Dijkstra & Kastoro 1997: 247), Norfolk Island (Dijkstra & Marshall 1997: 74), Wallis and Futuna and Vanuatu ( Dijkstra 2001: 74); live in 750-1353 m. New records for the Solomon Islands, Fiji and Tonga. Present material live in 440-1001 m.

REMARKS. — The present material is similar to the type specimens, although somewhat darker in colour (brownish, whitish is typical) and slightly more elongate (type specimens nearly circular).