Moussonia vitiana (Mousson, 1870) Mousson, 1870
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https://dx.doi.org/10.3897/zookeys.487.8463 |
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lsid:zoobank.org:pub:4DA2B44E-6351-4E61-B9F2-58D33CBCE817 |
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https://treatment.plazi.org/id/17627260-7373-AFBF-40DC-41B8376A6AA4 |
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scientific name |
Moussonia vitiana (Mousson, 1870) |
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comb. n. |
Taxon classification Animalia Mesogastropoda Diplommatinidae
Moussonia vitiana (Mousson, 1870) View in CoL comb. n. Figs 50-52
Diplommatina fuscula var. vitiana Mousson 1870, Journal de Conchyliologie, 18: 188. Type locality: Viti Levu, Ovalau.
Diplommatina (Moussonia) vitiana , - Kobelt 1902, Cyclophoridae : 479.
Type material.
Lectotype, here designated, ZMZ 526756/a, Fiji, Ovalau, coll. Mousson ex Graeffe 1868. - Paralectotypes ZMZ 526756/20; ZMZ 526755/6, Viti Levu, coll. Mousson ex Graeffe 1868.
Material.
Limestone outcrop SE of Nambukulevu, 230 m, rainforest, -18.1366 177.8149, leg. Bouchet, Warén & Dayrat, 20.02.1999, MNHN/95, NMBE 516890/15; Nakorosule limestone outcrop, 30 m, degraded forest, -17.7734 178.2517, leg. Bouchet & Dayrat, 16.02.1999, MNHN/432, NMBE 516891/40. Lau Islands: Aiwa, stunt forest on limestone, 5-20 m, -18.3316 -178.6825, leg. Bouchet, 07.03.1999, MNHN/124; Lau Islands: Evuevu Island, NW Vanua Balavu, forest on limestone, 5-50 m, -17.0591 -179.0209, leg P. Bouchet, 01.03.1999, MNHN/2.
Diagnosis.
Shell dextral, medium sized, yellowish to red-brown, bluntly keeled teleoconch whorls, palatalis an elongate undulate lamella.
Description.
Shell dextral, medium sized, last whorl slightly constricted, yellowish to red-brown; protoconch of 2 whorls, smooth; teleoconch of> 5 bluntly keeled whorls; sculpture of fine, densely spaced ribs; suture deep; last whorl not or only slightly ascending before aperture; umbilicus almost closed; aperture attached to last whorl, subrectangular, peristomial rim doubled, reinforced by a labial callus, columella with a strong columellaris; internal lamellar system with one columellaris, two parietal lamellae and one palatalis; columellaris a thin lamella, slightly undulating at its end above the aperture, where it is reinforced by a callus; inner parietalis a long lamella, outer parietalis spatulate and oblique; palatalis in a central position above aperture, formed like an undulate lamella and ending in a knob-like tooth visible as a red-brown callus from the outside.
Operculum unknown.
Measurements.
Lectotype (Fig. 50): H = 2.02; D = 1.14; PH = 0.63; PD = 0.65; W = 7.
Distribution
(Fig. 170). Eastern part of Viti Levu and the neighbouring island of Ovalau.
Remarks.
For a differential diagnosis, refer to Moussonia vitianoides sp. n.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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