Cryptopecten nux ( Reeve, 1853 )

Dijkstra, Henk H. & Maestrati, Philippe, 2010, Pectinoidea (Mollusca, Bivalvia, Propeamussiidae, Entoliidae and Pectinidae) from the Austral Islands (French Polynesia), Zoosystema 32 (2), pp. 333-358 : 350-351

Cryptopecten nux ( Reeve, 1853)

Pecten coruscans – Reeve 1853: sp. 143, pl. 32, fig. 143 (not Pecten coruscans Hinds, 1845 ).

Pecten nux Reeve, 1853 : named in unnumbered page in “ errata ”.

Cryptopecten nux – Dijkstra & Marshall 1997: 107 [synonymy, references, type data, distribution]. — Dijkstra & Kilburn 2001: 310 , figs 50, 51 [description].

MATERIAL EXAMINED. — Marquesas Islands. Nukuhiva, 13 m, lectotype spm (BMNH 1950.11.14.52, designated by Wagner [1989: 56]).

Mac Donald. BENTHAUS, stn DW 1876, 28°59’S, 140°15’W, 150-160 m, 1 lv. — Stn DW 1877, 28°59’S, 140°15’W, 59-150 m, 1 rv.

Marotiri. BENTHAUS, stn DW 1880, 27°55’S, 143°29’W, 90-94 m, 6 lv, 5 rv. — Stn DW 1881, 27°55’S, 143°29’W, 112-121 m, 5 spms, 2 lv, 4 rv. — Stn DW 1885, 27°52’S, 143°33’W, 700-800 m, 1 rv. — Stn DW 1888, 27°51’S, 143°31’W, 100-120 m, 2 rv.

Banc Nord-Est Rapa. BENTHAUS, stn DW 1901, 27°25’S, 144°02’W, 115-120 m, 4 spms, 5 lv, 1 rv. — Stn DW 1905, 27°25’S, 144°03’W, 120-140 m, 2 spms, 3 lv, 11 rv. — Stn CP 1906, 27°25’S, 144°02’W, 110-127 m, 2 spms, 1 lv, 1 rv.

Rapa. BENTHAUS, stn CP 1909, 27°39’S, 144°16’W, 783-1000 m, 1 spm.

Récif Neilson. BENTHAUS, stn DW 1913, 27°02’S, 146°00’W, 120 m, 4 spms, 6 lv, 5 rv. — Stn DW 1914, 27°04’S, 146°04’W, 150 m, 14 spms, 2 lv, 4 rv. — Stn DW 1915, 27°03’S, 146°04’W, 120-200 m, 1 lv. — Stn CAS 1916, 27°00’S, 146°04’W, 180 m, 1 rv. — Stn CP 1918, 27°03’S, 146°04’W, 130-140 m, 20 spms, 56 lv, 64 rv. — Stn DW 1919, 27°04’S, 146°04’W, 140-390 m, 1 spm. — Stn CP 1920, 27°04’S, 146°04’W, 120-203 m, 6 spms, 18 lv, 23 rv.

Banc Président Thiers. BENTHAUS, stn DW 1926, 24°38’S, 146°01’W, 50-90 m, 6 lv, 8 rv. — Stn DW 1927, 24°39’S, 146°02’W, 95-105 m, 1 lv. — Stn DW 1929, 24°39’S, 146°02’W, 350-370 m, 2 lv. — Stn DW 1932, 24°41’S, 146°02’W, 500-800 m, 13 lv, 9 rv. — Stn DW 1933, 24°41’S, 146°01’W, 500-850 m, 1 lv, 2 rv. — Stn DW 1937, 24°40’S, 145°56’W, 469-500 m, 4 lv.

Tubuai. BENTHAUS, stn DW 1957, 23°19’S, 149°29’W, 558-1000 m, 2 rv. — Stn DW 1958, 23°20’S, 149°30’W, 80-150 m, 1 lv. — Stn DW 1959, 23°20’S, 149°30’W, 95-380 m, 1 lv.

Banc Arago. BENTHAUS, stn DW 1986, 23°26’S, 150°44’W, 150 m, 1 rv.

Rurutu. BENTHAUS, stn DW 1995, 22°29’S, 151°22’W, 212-450 m, 1 lv, 1 rv. — Stn DW 2000, 22°25.1’S, 151°21.8’W, 270-480 m, 1 lv. — Stn DW 2003, 22°28’S, 151°19’W, 250-330 m, 3 lv, 1 rv. — Stn DW 2004, 22°28’S, 151°19’W, 430-850 m, 1 rv.

Rimatara. BENTHAUS, stn DW 2012, 22°28’S, 152°50’W, 270-320 m, 1 lv.

DISTRIBUTION. — Red Sea, Oman, Kenya, Seychelles, Mozambique, Madagascar, Mauritius, eastern South Africa, Andaman Islands, southern Japan, Taiwan, Philippines, Indonesia, eastern and northern Australia, Solomon Islands, New Caledonia, Lord Howe Island, Vanuatu, Wallis and Futuna, Fiji, Tonga and Marquesas Islands ( Dijkstra & Marshall 1997: 108; Dijkstra 2001: 93; Dijkstra & Maestrati, 2008: 109-110). Depth range 97- 120 m. Now also Austral Islands (new record), alive at 110-783 m depth.

REMARKS

The present specimens are indistinguishable from the type material from the Marquesas Islands.