The Diplommatinidae of Fiji - a hotspot of Pacific land snail biodiversity (Caenogastropoda, Cyclophoroidea)
Author
Neubert, Eike
Author
Bouchet, Philippe
text
ZooKeys
2015
487
1
85
http://dx.doi.org/10.3897/zookeys.487.8463
journal article
http://dx.doi.org/10.3897/zookeys.487.8463
1313-2970-487-1
4DA2B44E63514E61B9F258D33CBCE817
Taxon classification Animalia Mesogastropoda Diplommatinidae
Palaina godeffroyana (Mousson, 1870)
Figs 74-78
Diplommatina godeffroyana
Mousson 1870, Journal de Conchyliologie, 18: 182, pl. VIII, fig. 4. Type locality: Nagara, southern Viti Levu, and Ovalau.
Diplommatina godeffroyana var. fracta
Mousson 1870, Journal de Conchyliologie, 18: 183. Type locality: Viti Levu.
Palaina (Palaina) godeffroyana
, - Kobelt 1902,
Cyclophoridae
: 399.
Type material.
godeffroyana
lectotype, here designated, ZMZ 526678/a, Fiji, Viti Levu, Island of Nagara [probably now Naqara; also spelled Nanggara, south-east of Viti Levu], Graeffe 1868; paralectotypes ZMZ 526678/4; probable paralectotypes SMF 105089/4, Fiji, Viti Levu, coll.
Moellendorff
ex Mousson. -
fracta
syntypes: ZMZ 526681/4, Fiji, Viti Levu.
Material.
SMF 105091/1, Viti Levu, coll. O. Boettger ex
Schlueter
1887; ZMZ 526686a/9, Viti Levu,
"Tatatan"
[a place name we could not identify], Graeffe 1872; ZMZ 526684/15, Viti Levu, Graeffe 1872; ZMZ 526688/1, Viti Levu, Vaini Loba, Graeffe 1872; ZMZ 526682a, Viti Levu, Graeffe 1872; Viti Levu, Waivisa karst, 50-80 m, rainforest, -17.6879 178.4033, leg. Bouchet, 27.08.1998, MNHN/24, NMBE 516894/5; Viti Levu, Saweni karst, 50-60 m, dry forest, -17.9032 177.7983, leg. Bouchet, 22.08.1998, MNHN/1; Viti Levu, Wailotua karst, 50-80 m, rainforest, -17.7582 178.4166, leg. Bouchet, 25-27.08.1998, MNHN/1.
Diagnosis.
Shell sinistral, elongate oval, white, bulb reduced, last whorl ascending, lamellar system reduced.
Description.
Shell sinistral, elongate oval, white to light yellowish; protoconch acute, granulated, consisting of 2 whorls; last whorl not constricted, bulb reduced, inconspicuous; teleoconch sculpture of widely spaced ribs, ribbing pattern slightly wider on the last two whorls; last whorl strongly ascending; aperture circular, in a central position, broadly adhered to the last whorl, peristomial rims connected; umbilicus closed, periomphalum narrow; lamellar system completely reduced; bulb lamella very weak.
Operculum.
Outer surface with concentric rings of lamellae, internal surface concave and smooth inside, OD = 0.52.
Measurements.
Lectotype
godeffroyana
(Fig. 74): H = 3.4; D = 1.84; PH = 1.36; PD = 1.29; W = 5.5.
Figures 74-78.
Palaina godeffroyana
(Mousson, 1870). 74 lectotype of
Diplommatina godeffroyana
ZMZ 526678 Fiji, Viti Levu, Island of Nagara, Graeffe 1868, H = 3.4 mm 75 syntype of
Diplommatina godeffroyana var. fracta
ZMZ 526681, Viti Levu, H = 3.76 mm 76 Viti Levu, Waivisa karst, 50-80 m, H = 3.14 mm 77 ditto, last whorl opened to show internal lamellae (enlarged, not to scale) 78 ditto, operculum 78a inner surface 78b outer surface. Figures 74-77
x
10, Figure 78
x
40 magnification.
Distribution
(Fig. 170). Many sites on Viti Levu.
Remarks.
Palaina godeffroyana
resembles
Palaina pomatiaeformis
, which, however, differs by its larger and elongate shell, denser ribbing pattern, and the presence of a basal columellar denticle.