9,768 research outputs found
Parvamussium virgatum Dijkstra 1991
No full text<i>Parvamussium virgatum</i> Dijkstra, 1991 <p> <i>Parvamussium virgatum</i> Dijkstra, 1991: 20, figs 62-65.</p> <p> MATERIAL EXAMINED. — <b>Solomon Islands</b>. SALOMON 1: stn DW 1758, 08°49’S, 159°52’E, 180-187 m, 1 lv.</p> <p> DISTRIBUTION. <i>—</i> Indonesia, Wallis and Futuna (Dijkstra 2001: 88); shells in 206-440 m. New record for the Solomon Islands. Present specimen dead in 180-187 m.</p>Published as part of <i>Dijkstra, Henk H. & Maestrati, Philippe, 2008, New species and new records of deep-water Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae and Pectinidae) from the South Pacific, pp. 77-114 in Mémoires du Muséum national d'Histoire naturelle 196</i> on page 9
Cyclopecten cancellus Dijkstra 1991
No full text<i>Cyclopecten cancellus</i> Dijkstra, 1991 <p> <i>Cyclopecten cancellus</i> Dijkstra, 1991: 21, figs 66-70.</p> <p> MATERIAL EXAMINED. — <b>Fiji</b>. MUSORSTOM 10: stn CP 1341, 16°53’S, 177°44’E, 500-614 m, 1 lv.</p> <p>DISTRIBUTION. — Indonesia and Vanuatu; shells in 130-375 m (Dijkstra 2001: 90). New record for the Fiji Islands. Present specimen dead in 500-614 m.</p>Published as part of <i>Dijkstra, Henk H. & Maestrati, Philippe, 2008, New species and new records of deep-water Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae and Pectinidae) from the South Pacific, pp. 77-114 in Mémoires du Muséum national d'Histoire naturelle 196</i> on page 9
Parvamussium squalidulum Dijkstra 1995
No full text<i>Parvamussium squalidulum</i> Dijkstra, 1995 <p> <i>Parvamussium squalidulum</i> Dijkstra, 1995: 32, figs 47-50.</p> <p> MATERIAL EXAMINED. — <b>Fiji</b>. BORDAU 1: stn DW 1471, 302 m, 1 lv; stn DW 1587, 18˚37’S, 173˚54’W, 309-400 m, 2 lv, 19˚40’S, 178˚10’W, 280-296 m, 1 spm; stn DW 1494, 18˚55’S, 1 rv; stn DW 1595, 19˚03’S, 174˚19’W, 523-806 m, 1 spm; stn 178˚29’W, 240-319 m, 1 lv. DW 1602, 20˚49’S, 174˚57’W, 263-320 m, 2 lv; stn DW 1606, <b>Tonga</b>. BORDAU 2: stn DW 1523, 21˚18’S, 175˚00’W, 300- 22˚16’S, 175˚20’W, 313-316 m, 2 lv, 1 rv.</p> <p>DISTRIBUTION. — Indonesia (Dijkstra & Kastoro 1997: 262), Chesterfield Islands, Loyalty Islands, New Hebrides Arc (Dijkstra 1995: 32), Kermadec Islands (Dijkstra & Marshall 1997: 81) and Wallis and Futuna (Dijkstra 2001: 86); live in 260- 400 m. New records for Fiji and Tonga. Present material live in 296- 523 m.</p>Published as part of <i>Dijkstra, Henk H. & Maestrati, Philippe, 2008, New species and new records of deep-water Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae and Pectinidae) from the South Pacific, pp. 77-114 in Mémoires du Muséum national d'Histoire naturelle 196</i> on page 9
Cyclopecten bavayi Dijkstra 1990
No full text<i>Cyclopecten bavayi</i> Dijkstra, 1990 <p>Figs 32, 33</p> <p> <i>Cyclopecten</i> (<i>Cyclopecten</i>) <i>bavayi</i> Dijkstra, 1990a: 5, fig. 9.</p> <p> MATERIAL EXAMINED. — <b>Solomon Islands</b>. SALOMON 1: stn CP 1781, 08°31’S, 160°38’E, 1036-1138 m, 1 spm (Figs 32, 33).</p> <p>DISTRIBUTION. — Indonesia, shells in 835 m (Dijkstra 1990a: 5). New record for the Solomon Islands. Present specimen live in 1036-1138 m.</p> <p>REMARKS. — The present specimen from the Solomons is nearly indistinguishable from the type material, although the commarginal and intercalated radial sculpture of the left valve are slightly more widely placed in the present specimen. Other morphological characters are extremely similar.</p>Published as part of <i>Dijkstra, Henk H. & Maestrati, Philippe, 2008, New species and new records of deep-water Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae and Pectinidae) from the South Pacific, pp. 77-114 in Mémoires du Muséum national d'Histoire naturelle 196</i> on page 9
Pectinella aequoris Dijkstra 1991
No full text<i>Pectinella aequoris</i> Dijkstra, 1991 <p> <i>Pectinella aequoris</i> Dijkstra, 1991: 23, figs 78-86.</p> <p> MATERIAL EXAMINED. — <b>Norfolk Ridge.</b> NORFOLK 1: stn CP 1716, 23°22’S, 168°03’E, 266-276 m, 1 rv.</p> <p> <b>Marquesas</b>. MUSORSTOM 9: stn DW 1147, 9˚19’S, 140˚06’W, 205-302 m, 1 lv [juvenile].</p> <p>DISTRIBUTION. — Hawaiian Islands, Indonesia, New Caledonia and Fiji (Dijkstra 2001: 90), alive in 260 m. New record for the Marquesas Islands. Present material dead in 266-276 m.</p> <p>REMARKS. — The present material from the Marquesas is morphologically indistinguishable from the type specimens from Indonesia.</p>Published as part of <i>Dijkstra, Henk H. & Maestrati, Philippe, 2008, New species and new records of deep-water Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae and Pectinidae) from the South Pacific, pp. 77-114 in Mémoires du Muséum national d'Histoire naturelle 196</i> on page 10
Parvamussium carbaseum Dijkstra 1991
No full text<i>Parvamussium carbaseum</i> Dijkstra, 1991 <p> <i>Parvamussium carbaseum</i> Dijkstra, 1991: 9, figs 11-21.</p> <p> MATERIAL EXAMINED. — <b>Indonesia.</b> Banda Sea, NW of Binongko,Tukang Besi Islands, 5°54’S, 123°58.4’E, 390 m (“SNELLIUS-II, stn 4.031), holotype lv (RMNH 56534). <b>New Caledonia Main Land.</b> BATHUS 1, stn DW 654, 21°17’S, 165°57’E, 237-298 m, 2 lv.</p> <p>DISTRIBUTION. — See Dijkstra (1991: 9). Now also New Caledonia, only single valves in 237- 298 m.</p>Published as part of <i>Dijkstra, Henk H. & Maestrati, Philippe, 2013, New species and new records of bathyal living Pectinoidea (Bivalvia: Propeamussiidae: Pectinidae) from the Southwest Pacific, pp. 469-478 in Zoosystema 35 (4)</i> on page 471, DOI: 10.5252/z2013n4a1, <a href="http://zenodo.org/record/5165280">http://zenodo.org/record/5165280</a>
Parvamussium undosum Dijkstra 1991
No full text<i>Parvamussium undosum</i> Dijkstra, 1991 <p> <i>Parvamussium undosum</i> Dijkstra, 1991: 18, figs 53-61.</p> <p> MATERIAL EXAMINED. <i>—</i> <b>Norfolk Ridge</b>. NORFOLK 1: stn 159°57’E, 557-655 m, 3 lv; stn DW 1762, 08°39.9’S, DW 1680, 24°45’S, 168°10’E, 385-392 m, 1 lv. 160°03.9’E, 396-411 m, 1 lv, 1 rv; stn DW 1765, 08°43.1’S, <b>Solomon Islands</b>. SALOMON 1: stn DW 1741, 11°29’S, 160°06.5’E, 325-380 m, 1 rv.</p> <p>DISTRIBUTION. — Indonesia, Wallis and Futuna (Dijkstra 2001: 87); shells in 295-600 m. New records for the Solomon Islands and Norfolk Ridge. Present material dead in 380-557 m.</p>Published as part of <i>Dijkstra, Henk H. & Maestrati, Philippe, 2008, New species and new records of deep-water Pectinoidea (Bivalvia: Propeamussiidae, Entoliidae and Pectinidae) from the South Pacific, pp. 77-114 in Mémoires du Muséum national d'Histoire naturelle 196</i> on page 9
Pseudohinnites levii Dijkstra 1989
No full textPseudohinnites levii Dijkstra, 1989 Pseudohinnites levii Dijkstra, 1989b: 29, figs 1-3. MATERIAL EXAMINED. — New Caledonia. South-east, 965 m, holotype lv (MNHN 21417). Rapa. BENTHAUS, stn CP 1910, 27°38’S, 144°15’W, 840-1200 m, 1 lv. Tubuai. BENTHAUS, stn DW 1956, 23°18’S, 149°27’W, 600-990 m, 1 spm. — Stn CP 1967, 23°21’S, 149°34’W, 600-1200 m, 1 lv. DISTRIBUTION. — Philippines, Indonesia, New Caledonia, Vanuatu, Wallis and Futuna, Fiji Islands, Tonga and Marquesas Islands (Dijkstra 1995a: 47; 2001: 90; Dijkstra & Maestrati 2008: 103-105). Depth range 581-2000 m (alive). Now also Austral Islands (new record), alive at 600 m depth. REMARKS The present specimens of P. levii from the Austral Islands are similar to the type material from New Caledonia, although the radial and commarginal sculpture of a specimen from Tubuai (stn CP 1967) is somewhat more delicate. However, these characters somewhat vary in observed material (MNHN) and the present specimen falls within this range of variation.Published as part of Dijkstra, Henk H. & Maestrati, Philippe, 2010, Pectinoidea (Mollusca, Bivalvia, Propeamussiidae, Entoliidae and Pectinidae) from the Austral Islands (French Polynesia), pp. 333-358 in Zoosystema 32 (2) on page 344, DOI: 10.5252/z2010n2a6, http://zenodo.org/record/452113
Pecten afribenedictus Kilburn & Dijkstra 1995
No full text<i>Pecten afribenedictus</i> Kilburn & Dijkstra, 1995 <p> <i>Pecten afribenedictus</i> Kilburn & Dijkstra, 1995: 272, figs 1–9; Steyn & Lussi, 1998: 212, fig. 862. Type locality: off Umkomaas, S Natal, South Africa, 30°12'S, 30°48'E, 55 m.</p> <p>Type material: Holotype NMSA A1314 /T928, 12 paratypes (11 NMSA, 1 ZMA) (see Kilburn & Dijkstra 1995: 276).</p> <p>Distribution: Continental shelf of SE Africa, from northern Zululand (Kosi Bay) to eastern Cape (East London area).</p> <p>Habitat: Littoral to sublittoral depths, free-living on fine to medium sandy sediments.</p>Published as part of <i>Dijkstra, H. H. & Kilburn, R. N., 2001, The family Pectinidae in South Africa and Mozambique (Mollusca: Bivalvia: Pectinoidea), pp. 263-321 in African Invertebrates 42</i> on page 286, DOI: <a href="http://zenodo.org/record/7910445">10.5281/zenodo.7910445</a>
Parvamussium catillus Dijkstra & Maestrati 2015, sp. n.
No full text<i>Parvamussium catillus</i> sp. n. <p>Fig. 2A–G</p> <p> Etymology: From the Latin <i>catillus</i> (m.) (small dish), after the smooth circular shell that resembles a small dish.</p> <p> Description: Shell up to 7.2 mm in height, fragile, semi-transparent, circular, inequivalve, left valve slightlY more inflated than right valve, equilateral, auricles almost equal in size, umbonal angle 110°–115°, colour whitish. Prodissoconch 100 µm long. Left valve smooth and dead throughout shell disc, umbonal part glossy and transparent. Anterior auricle with very weak and delicate widely spaced commarginal lamellae, more prominent near shell disc, posterior auricle almost smooth with traces of very closely spaced commarginal lirae laterally. Right valve with weak, regularly spaced, commarginal lirae (<i>c.</i> 8 per mm).Anterior auricle with weak and verY fine commarginal lirae and a noduliferous ridge along the byssal fasciole, posterior auricle continuous with disc, smooth with very close-set commarginal lirae laterally. Byssal notch moderately deep, byssal fasciole rather small, no ctenolium. Hinge line straight. Resilifer triangular. Internal ribs 13 commence in early growth stage and are exposed almost to the periphery, one interstitial rudimentary riblet antero-ventrally, and one riblet on both auricles.</p> <p>Dimensions (holotype): Height 7.2 mm, width 7.2 mm, convexity 2.5 mm.</p> <p> Type material: Holotype (pr) (MNHN IM-2007-41966), paratype (pr) (MNHN IM-2007-41964). Type locality: MOZAMBIQUE CHANNEL: Inhambane transect (23°35'S 36°06'E), - 1092–1195 m, live, campaign Mainbaza, stn CP3139, RV <i>Vizconde de Eza</i>, leg. P. Bouchet, J. Rosado & E. Strong, 11.iv.2009.</p> <p>Distribution and habitat: See type locality.</p> <p> Remarks: The closest resembling species is <i>Parvamussium multiliratum</i> Dijkstra, 1995, recorded from New Caledonia, Vanuatu, Fiji, Tonga, Wallis and Futuna (Dijkstra & Maestrati 2012: 392). <i>Parvamussium catillus</i> morphologically differs from <i>P. multiliratum</i> by a smooth shell disc of the left valve (<i>P. multiliratum</i> with prominent commarginal lamellae and weak radial sculpture postero-laterally), by having fewer interior ribs (<i>P. multiliratum</i> 14 and two rudimentary).</p> <p> Another somewhat resembling species is <i>Propeamussium arabicum</i> Dijkstra & Janssen, 2013, recorded from the Gulf of Aden and herein also from northwestern Madagascar and the Mozambique Channel. This species is also circular in shape, but larger sized (up to 14.9 mm in height, <i>P. catillus</i> up to 7.2 mm) and has a fine reticular sculpture on the left valve (<i>P. catillus</i> smooth). Moreover, fewer internal ribs (7 without rudimentary, <i>P. catillus</i> 13 and one rudimentary).</p>Published as part of <i>Dijkstra, H. H. & Maestrati, P., 2015, Pectinoidea (Bivalvia: Propeamussiidae and Cyclochlamydidae) from the southwestern Indian Ocean, pp. 585 in African Invertebrates 56 (3)</i> on pages 599-601, DOI: 10.5733/afin.056.0307, <a href="http://zenodo.org/record/7914533">http://zenodo.org/record/7914533</a>
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