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Deep-water Columbellidae (Mollusca: Gastropoda) from New Caledonia
Monsecour, K.; Monsecour, D. (2016). Deep-water Columbellidae (Mollusca: Gastropoda) from New Caledonia, in: Héros, V. et al. (Ed.) Tropical Deep-Sea Benthos 29. Mémoires du Muséum national d'Histoire naturelle (1993), 208: pp. 291-362
In: Héros, V. et al. (Ed.) (2016). Tropical Deep-Sea Benthos 29. Mémoires du Muséum national d'Histoire naturelle (1993), 208. Publications Scientifiques du Muséum: Paris. ISBN 978-2-85653-774-9. 463 + cd-rom pp.
In: Mémoires du Muséum national d'Histoire naturelle (1993). Éditions du Muséum: Paris. ISSN 1243-4442
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 298538 [ OMA ]

Keywords

Authors  Top 
  • Monsecour, K.
  • Monsecour, D.

Abstract
    Eighty-one species of Columbellidae are recorded from the New Caledonia region from depths in excess of 100 meters, with a majority occurring in the 200-600 m interval, and none recorded from deeper than 900 m. Eight are previously known, and 73 are described as new species. Most are small to very small, with 23 species (28%) smaller than 5 mm, the smallest measuring 1.9 mm. Most species have paucispiral protoconchs indicating non-planktotrophic larval development: 6 (75%) of the known species, but only 9 (12%) of the new species, have multispiral larval shells. Up to eight species co-occur at the same station, however most stations have only two or three species. Regional heterogeneity within the New Caledonia EEZ is high: Loyalty Ridge has 15 species (3 endemics), the Coral Sea has 18 (3 regional endemics), the Far North has 26 (7 endemics), Norfolk Ridge has 34 (13 endemics), and mainland New Caledonia and satellite Ile des Pins have 44 (15 endemics).

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