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The Diplommatinidae of Fiji – a hotspot of Pacific land snail biodiversity (Caenogastropoda, Cyclophoroidea)

Neubert Eike, Bouchet Philippe. 2015-03-16. .
ARTICLE, (2015-03-16 ) - PUBLISHEDVERSION - English (en-GB)

OPENACCESS - http://creativecommons.org/licenses/by/, info:eu-repo/semantics/OpenAccess.
Audience : OTHER
HAL CCSD, Pensoft
Subject
microgastropods, limestone outcrops, endemism, South Pacific, Diplommatinidae, new species, [SDE.BE]Environmental Sciences/Biodiversity and Ecology
Domains
Biologie, Ecologie, Sciences de l'environnement
Description

International audience The minute (adult size 1.3–4.8 mm) land snail species of the family Diplommatinidae in the Fiji archipelago are revised based on historical material and modern (1998–99) collections targeting limestone outcrops on the largest island, Viti Levu, and several smaller islands in the Lau group. The forty-two species (including 30 new species) belong to the genera Moussonia Semper, 1865, Palaina Semper, 1865 and Diancta Martens, 1867, which are briefly characterized and keyed. The diagnostic structure of the inner lamellar system of each species is illustrated. All species except one are endemic to Fiji. In Viti Levu, the 12 localities surveyed each had 1–13 (average 5) species of Diplommatinidae; ten species were each found at a single site only. In the Lau islands, five islands were visited, with 1–4 species per island; four species are known from single islands. The number of historically known species not recollected in 1998–99 (7 species), the number of single-site occurrences (14 species), and the numerous islands — including limestone islands — that have not been surveyed at all, indicate that the 42 species of Diplommatinidae currently known from Fiji represent perhaps only half of the Fiji diplommatinid fauna. Such numbers approach the diplommatinid diversity of Palau (39 described and more than 60 undescribed species), and surpasses by far the diversity of other South Pacific archipelagos of comparable land area (New Caledonia, Vanuatu, Samoa).

Keywords
Environment, Environnement, Biodiversité
Language
English (en-GB)
Creators
Neubert, Eike, Bouchet, Philippe
Contributors
Natural History Museum of the Burgergemeinde Bern, Institut de Systématique, Evolution, Biodiversité (ISYEB ) ; Muséum national d'Histoire naturelle (MNHN)-Université Pierre et Marie Curie - Paris 6 (UPMC)-École pratique des hautes études (EPHE) ; Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)
Sources
ISSN: 1313-2989, Zookeys, https://hal.sorbonne-universite.fr/hal-01220555, Zookeys, Pensoft, 2015, 487, pp.1-85. ⟨10.3897/zookeys.487.8463⟩
Relation
info:eu-repo/semantics/altIdentifier/doi/10.3897/zookeys.487.8463
Coverage
Vanuatu
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