Compressidentalium compressiusculum ( Boissevain, 1906 )

Scarabino, Victor, 2008, New species and new records of scaphopods from New Caledonia, Mémoires du Muséum national d'Histoire naturelle 196, pp. 215-268 : 231

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978-2-85653-614-8

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scientific name

Compressidentalium compressiusculum ( Boissevain, 1906 )
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Compressidentalium compressiusculum ( Boissevain, 1906)

Compressidentalium compressiusculum - Scarabino 1995: 258, figs 65, 70h, 73h. Material cited: 5 lots (12 spms) from Chesterfield Plateau, New Caledonia and Loyalty Basin, shells in 600-2365 m.

NEW MATERIAL EXAMINED. — North of New Caledonia. de Hienghène, 20°34’S, 164°57’E, 497-520 m, 5 lv, 45 dd; stn BATHUS 4: stn CP 910, Grand Passage, 18°59’S, 163°08’E, CP 698, 20°34’S, 164°57’E, 491-533 m, 3 lv, 47 dd; stn CP 702, 560- 608 m, 1 dd. 20°56’S, 165°36’E, 591-660 m, 1 lv; stn CP 708, South of Ile New Caledonia proper. HALIPRO 1: stn CP 866, 21°26’S, des Pins, 22°52’S, 167°16’E, 530-541 m, 2 dd GoogleMaps . — BATHUS 4: 166°17’E, 550-600 m, 4 dd. — BATHUS 1: stn CP 651, Passe stn CP 947, Passe de Hienghène , 20°34’S, 164°56’E, 470-490 de Cap Baye, 21°42’S, 166°40’E, 1080-1180 m, 2 dd; stn m, 34 dd; stn CP 948, 20°33’S, 164°57’E, 533-610 m, 2 lv, 5 dd; CP 660, 21°10’S, 165°53’E, 786-800 m, 2 dd; stn CP 671, stn CP 952, Passe du Solitaire, 20°35’S, 164°59’E, 270-316 m, 20°51’S, 165°28’E, 450-470 m, 2 lv, 5 dd; stn DW 686, Passe 3 dd GoogleMaps .

de Hienghu, 20°35’S, 165°07’E, 250 m, 5 dd; stn DE 696, Passe

DISTRIBUTION. — Global distribution: Indonesia, Philippines, New Caledonia and the western Indian Ocean; live in 470-1570 m ( Boissevain 1906), mostly in 540-700 m (Scarabino 1995). Distribution in the New Caledonian region: north, east and southeast coasts of New Caledonia proper, Loyalty Basin, live in 470-591 m, shells in 250-2365 m.

REMARKS. — Compressidentalium compressiusculum is closely related to C. clathratum . The specimens of the two species available for the present study were collected in nearby stations of the same expedition but were never present in the same lot. The species are thus at present considered broadly sympatric but are apparently never syntopic.