Parvamussium undisonum Dijkstra, 1995

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 : 95-96

Parvamussium undisonum Dijkstra, 1995

Parvamussium undisonum Dijkstra, 1995: 37 , figs 55-58.

MATERIAL EXAMINED. — Fiji. MUSORSTOM 10: stn DW 1314, rv; stn DW 1597, 20˚40’S, 174˚55’W, 598-610 m, 1 lv, 1 rv; 17˚16’S, 178˚15’E, 656-660 m, 2 lv, 3 rv; stn CP 1330, 17˚10’S, stn DW 1618, 24˚13’S, 176˚18’W, 627-656 m, 1 lv, 1 rv; stn 177˚56’E, 567-699 m, 4 spms, 1 rv; stn DW 1345, 17˚15’S, DW 1619, 24˚16’S, 176˚20’W, 591-593 m, 2 lv; stn DW 1637, 178˚30’E, 660-663 m, 1 spm, 1 lv . — BORDAU 1: stn DW 1459, 21˚05’S, 175˚23’W, 464-507 m, 2 spms, 8 lv, 4 rv; stn CP 17˚18’S, 179˚33’W, 820-863 m, 2 rv. 1638, 21˚05’S, 175˚23’W, 469-520 m, 4 spms, 1 lv, 1 rv; stn Tonga. BORDAU 2: stn DW 1549, 20˚38’S, 175˚00’W, 500 m, DW 1639, 21˚10’S, 175˚24’W, 531-568 m, 2 rv; stn CP 1640, 1 lv; stn DW 1552, 20˚38’S, 174˚58’W, 491-500 m, 1 lv, 2 rv; 21˚09’S, 175˚24’W, 564-569 m, 2 spms, 6 lv, 1 rv; stn CP 1642, stn DW 1553, 20˚42’S, 174˚54’W, 650-676 m, 1 spm, 1 lv; stn 21˚05’S, 175˚23’W, 532 m, 1 lv, 1 rv; stn CP 1644, 21˚05’S, DW 1555, 20˚11’S, 174˚45’W, 591 m, 1 lv, 1 rv; stn CP 1556, 175˚23’W, 501 m, 1 lv; stn DW 1645, 21˚05’S, 175˚23’W, 538- 20˚11’S, 174˚45’W, 589-591 m, 2 spms, 1 lv; stn CH 1557, 660 m, 1 lv, 1 rv .

20˚10’S, 174˚42’W, 578 m, 1 spm; stn DW 1559, 19˚53’S, Solomon Islands. SALOMON 1: stn DW 1772, 08°16’S, 174˚37’W, 339-345 m, 1 lv; stn CP 1566, 21˚02’S, 175˚18’W, 160°40’E, 570-756 m, 3 lv, 5 rv; stn CP 1795, 09°19’S, 160°23’E, 530-531 m, 1 lv, 1 rv; stn CP 1568, 21˚02’S, 175˚19’W, 431 442-451 m, 2 lv, 1 rv; stn DW 1830, 10°11’S, 161°19’E, 500- m, 1 spm; stn DW 1585, 18˚33’S, 173˚57’W, 578 m, 10 lv, 5 563 m, 1 lv.

DISTRIBUTION. — New Caledonia, Loyalty Islands, New Hebrides Arc ( Dijkstra 1995: 37) and Wallis and Futuna ( Dijkstra 2001: 87); live in 552- 710 m. New records for the Solomon Islands, Fiji and Tonga. Present material live in 431- 660 m.