Moussonia fuscula (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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persistent identifier |
https://treatment.plazi.org/id/411E50C3-AE6B-0150-0068-CEB8777D291A |
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scientific name |
Moussonia fuscula (Mousson, 1870) |
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Taxon classification Animalia Mesogastropoda Diplommatinidae
Moussonia fuscula (Mousson, 1870) View in CoL Figs 47-49
Diplommatina fuscula Mousson 1870, Journal de Conchyliologie, 18: 188, pl. VIII, fig. 9. Type locality: Oneata [Lau Is, Fiji].
Diplommatina (Moussonia) fuscula , - Kobelt 1902, Cyclophoridae : 478.
Moussonia fuscula , - Solem 1978, Pacific Science, 32 (1): 40 [Karoni, Lakemba].
Type material.
Lectotype, here designated, ZMZ 526754/a, Fiji, Iles de Lau, Oneata, coll. Mousson ex Graeffe, 1868. - Paralectotypes: ZMZ 526754/20, SMF 105171/2, coll. Möllendorff ex Mousson.
Material.
Lau Islands: Aiwa, stunted forest on limestone, 5-20 m, -18.3316 -178.6825, leg. Bouchet, 07.03.1999, MNHN/153, NMBE 516888/15; Yacata (=Yathata), forest on limestone, 5-10 m, -17.2584 -179.5096, leg. Bouchet, 05.03.1999, MNHN/35, NMBE 516889/5; Yagasa Levu, south point of island, forest on limestone, 20-50 m, -18.952 -178.4533, leg. Bouchet, 11.03.1999, MNHN/1174, NMBE 516887/70.
Diagnosis.
Shell dextral, small, dark brown, teleoconch sculpture of widely spaced ribs with fine periostracal threads, whorls inconspicuously keeled, palatalis short, tooth-like.
Description.
Shell dextral, small, last whorl not constricted, translucent light to dark brown; protoconch consisting of 2 whorls, granulated; teleoconch of> 5 whorls with an almost inconspicuous keel, sculpture consisting of faint, widely spaced ribs with fine periostracal threads; suture deep; last whorl slightly ascending before aperture; aperture attached to last whorl, rounded, peristomial rim reinforced by a strong white labial callus, columellar side with a strong columellaris; umbilicus closed; internal lamellar system with one columellaris, two parietal lamellae and one palatalis; columellaris a strong lamella, with a well-developed undulation at its end above the aperture; inner parietalis a long thread-like lamella, outer parietalis large, spatulate; palatalis a short lamella, directly above the aperture (can be seen from the outside as a reflecting callus).
Measurements.
Lectotype (Fig. 47): H = 2.35; D = 0.59; PH = 0.73; PD = 1.39; W = 7.5.
Distribution
(Fig. 171). several islands of the central Lau group.
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.