Palaina latecostata (Mousson, 1870) Mousson, 1870

Neubert, Eike & Bouchet, Philippe, 2015, The Diplommatinidae of Fiji - a hotspot of Pacific land snail biodiversity (Caenogastropoda, Cyclophoroidea), ZooKeys 487, pp. 1-85 : 38

publication ID

https://dx.doi.org/10.3897/zookeys.487.8463

publication LSID

lsid:zoobank.org:pub:4DA2B44E-6351-4E61-B9F2-58D33CBCE817

persistent identifier

https://treatment.plazi.org/id/1F3448EB-E456-9647-3955-7BA4B6CCA5DF

treatment provided by

ZooKeys by Pensoft

scientific name

Palaina latecostata (Mousson, 1870)
status

comb. n.

Taxon classification Animalia Mesogastropoda Diplommatinidae

Palaina latecostata (Mousson, 1870) View in CoL comb. n. Fig. 79-81

Diplommatina godeffroyana var. latecostata Mousson 1870, Journal de Conchyliologie, 18: 183. Type locality: Viti Levu.

Palaina (Palaina) godeffroyana latecostata, - Kobelt 1902, Cyclophoridae : 399.

Type material.

Lectotype, here designated, ZMZ 526679/a, Fiji, Viti Levu, coll. Mousson ex Graeffe 1868. - Paralectotypes ZMZ 526679/6.

Material.

ZMZ 526686b/5, Viti Levu, “Tatatan” [a place name we could not identify], Graeffe 1872; ZMZ 526685/8, Fiji, Island of Ovalau, Graeffe 1866; ZMZ 526682b/7, Viti Levu, Graeffe 1872 [as Diplommatina godeffroyana ].

Diagnosis.

Shell sinistral, small, bulb well developed, periomphalum compressed, aperture circular, peristome with a faint labial callus, columella obliquely twisted, bulb lamella present.

Description.

Shell sinistral, small, broadly oval, whitish to greenish; protoconch acute, granulated; last whorl not constricted, slightly ascending; bulb well developed; umbilicus closed, periomphalum compressed; sculpture of teleoconch whorls with widely spaced ribs; aperture circular, simple, adhered to the last whorl; peristome with a faint labial callus; oblique view into the aperture revealing a strong columellaris; internally, columella obliquely twisted, forming a horizontal lamella in its lower third; a moderately strong bulb lamella present, in some specimens entering the parietum as a thick lamella; small parietalis present.

Operculum corneous, with a long lamella on the outer surface, internally smooth, OD = 0.55.

Measurements.

Lectotype (Fig. 79): H = 3.2; D = 1.73; PH = 1.35; PD = 1.22; W = 6.5.

Distribution.

Ovalau and the hitherto mysterious locality “Tatatan” (or Tatatau?) on Viti Levu (possible Cautata, NE of Suva).