dc:title"<p> <strong> Systematic review of diplommatinid land snails (Caenogastropoda, Diplommatinidae) endemic to the Palau Islands. (1) Generic classification and revision of <em> Hungerfordia </ em> </ strong> <br /> <strong> species with highly developed axial ribs </ strong> </ p>";
dc:description"FIGURE 6. Terminology used in this study. (A) Shell dimensions. Abbreviations: D, shell diameter; H, shell height; PH, peristome height; SW, suture width. (B) An example showing the axial protrusions of shell wall along the axial ribs. Umbilical view of a shell of Hungerfordia pyramis (Crosse, 1866), only the last whorl shown. (C) Apical septa of some Hungerfordia species: (C1) apical whorls of a shell (live condition) of H. pteropurpuroides sp. nov.; (C2) apical whorls of a partially opened shell of H. alata (Crosse, 1866), which shows construction of an internal septum; (C3) subapical view of a shell of H. triplochilus sp. nov. after removal of the empty apical whorls above the septum.";
dc:description"FIGURES 2–3. Enlarged maps of Palau islands showing collecting sites. Top (Fig. 2), map of southern part of Babeldaob island; bottom (Fig. 3), map of Koror island and its neighboring islands or islets. Abbreviations of the collecting sites are listed in Table 2.";
dc:description"FIGURE 11. Variation of shell shape and sculpture within and among Palaina (Eupalaina) and Hungerfordia species. (A) P. (E.) moussoni Crosse, 1866, shell height 2.8 mm, B0272; (B) P. (E.) sp.-15, shell height 2.6 mm, B0090; (C) P. (E.) strigata Crosse, 1866, shell height 4.2 mm, B0205; (D) P. (E.) patula Crosse, 1866, shell height 4.9 mm, B0204; (E) P. (E.) wilsoni Crosse, 1866, shell height 3.2 mm, B0296; (F) H. polymorpha (Crosse, 1866), shell height 3.8 mm, B0049; (G) H. sp.- 23, shell height 1.3 mm, B0149; (H) H. sp.-13, shell height 5.1 mm, B0250; (I) H. triplochilus sp. nov., shell height 5.9 mm, B0158; (J) H. alata (Crosse, 1866), shell height 7.4 mm, B0058; (K1, K2) H. goniobasis goniobasis sp. et subsp. nov., shell height 3.1 mm, B0092; (L1, L2) H. elegantissima sp. nov., shell height 3.4 mm, B0375; (M) H. pelewensis Beddome, 1889, shell height 3.1 mm, B0651; (N1, N2) H. pelewensis Beddome, 1889, shell height 3.1 mm, B0046. Arrow heads show positions of the constriction. All specimens, UMUTZ-MG.";
dc:description"FIGURE 13. Hungerfordia triplochilus sp. nov. (A1–A5) A topotypic paratype, B0158a; (B) columellar tooth (left lateral view), topotypic paratype, B0158b; (C) axial ribs above the aperture, a subadult of topotypic paratype, B0158c; (D1) sculpture on the last 1–1.5 whorls, and (D2) sculpture on the last 1.5–2 whorls of topotypic paratypes (B0158a, d); (E1–E4) holotype, B0158T; (F) apical septum, a partially opened paratype from Loc. Gk1-2, B0145; (G) sculpture behind the aperture, holotype, B0158T; (H) a worn paratype from Loc. Gk7-7, B1025; (I) a paratype from Loc. Gk7-5, B1000; (J1, J2) outer surface, and (J3, J4) inner surface of operculum, a topotypic paratype, B0158. Scale bars, 1mm (A–E, G–I), 0.5 mm (F, J). All specimens, UMUTZ-MG.";
dc:description"FIGURE 1. Map of Palau islands showing collecting sites. Small red circles show collecting sites. Areas encircled by blue rectangles are shown as enlarged maps in Figs. 2–5. Abbreviations of the collecting sites are listed in Table 2.";
dc:description"FIGURES 4–5. Enlarged maps of Palau islands showing collecting sites. Top (Fig. 4), map of Ngerkutabel island and its neighboring islands or islets; bottom (Fig. 5), map of Mecherchar island and its neighboring islands or islets. Abbreviations of the collecting sites are listed in Table 2.";