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Figure 2 in The reproductive strategies of clausiliid land snails from Northern Vietnam (Gastropoda: Stylommatophora)
Figure 2. Embryos removed from reproductive tract of Phaedusa paviei (a, c), neonates of P. paviei (b, d), eggs of Oospira vanbuensis laid in laboratory culture (e) and hachling of O. vanbuensis (f). Scale bar: 1 mm.
Figure 1 in The reproductive strategies of clausiliid land snails from Northern Vietnam (Gastropoda: Stylommatophora)
Figure 1. Shell and clausilium of Oospira vanbuensis (a, c) and Phaedusa paviei (b, d, e). Scale bar – 1 mm.
Figure 2 in Taxonomic revision of the orthalicid land snails (Pulmonata: Stylommatophora) from Trindade Island, Brazil
Figure 2. (A–C) Bulimulus brunoi (holotype, MNRJ 1128; H = 19.4 mm). (D) B. brunoi (MNRJ 1129; H = 20.7 mm). (E, F) B. brunoi, protoconch and teleoconch sculpture (MZSP 101245). (G) Naesiotus arnaldoi (holotype, MNRJ 3105; H = 9.5 mm). (H–J) N. arnaldoi (MZSP 104740; H = 10.8 mm). (K) N. arnaldoi (paratype, MNRJ 3105; H = 10 mm). (L) N. arnaldoi, protoconch sculpture (MZSP 101244). (M–O) Vegrandinia trindadensis (MZSP 104742; 5.2 mm). (P, Q) V. trindadensis (holotype, MNRJ 3711; H = 7 mm). (R, S) V. trindadensis (MZSP 104743), (R) protoconch sculpture, (S) broken aperture showing the lamellae.
Figure 2 in Biogeography, land snails and incomplete data sets: the case of three island groups in the Aegean Sea
Figure 2. Map of the island group of Astypalaia, with islands and sites studied. 13: Diapori island.
Figure 4 in Shell surface adaptations in relation to water management in rockdwelling land snails, Albinaria (Pulmonata: Clausiliidae)
Figure 4. Means ¡95% confidence intervals of activation time for smooth and ribbed Albinaria snails.
Figure 3 in Shell surface adaptations in relation to water management in rockdwelling land snails, Albinaria (Pulmonata: Clausiliidae)
Figure 3. Means ¡95% confidence intervals of (a) water gain; (b) water loss and (c) proportion of retained water, for smooth and ribbed Albinaria shells after removing the effect of length (and water gain in b).
Figure 2 in Shell surface adaptations in relation to water management in rockdwelling land snails, Albinaria (Pulmonata: Clausiliidae)
Figure 2. (a) Relation between shell length and dry weight for ribbed and smooth Albinaria snails; (b) means ¡95% confidence intervals of dry weight for smooth and ribbed Albinaria shells after removing the effect of length.
Figure 4 in Biogeography, land snails and incomplete data sets: the case of three island groups in the Aegean Sea
Figure 4. UPGMA tree based on the similarity matrix obtained by applying Jaccard's index to the binary data matrix.
FIG. 2 in Selection and habitat-speci®c allozyme variation in the self-fertilizing land snail Cochlicopa lubrica (O. F. MuÈller)
FIG. 2. Habitat-speci®c distribution of the 784 individuals of Cochlicopa lubrica. All individuals are homozygous, either with Aat 1`20 ' or with Aat 1`80 '. Exposed, open habitats are shown with light boxes while moist and shady habitats are superimposed on grey background. Adjacent populations which have been analysed in pair-group comparision are shown in the upper part (see arrows). p values are calculated with standard chi-square tests or, in one case, with Fisher's Exact Test. Habitat structures of each population are summarized in the Appendix.
FIG. 1 in Selection and habitat-speci®c allozyme variation in the self-fertilizing land snail Cochlicopa lubrica (O. F. MuÈller)
FIG. 1. Sampling areas of the 29 populations of Cochlicopa lubrica. A 5 Austria, CZ 5 Czech Republic, D 5 Germany, F 5 France. (1) Habitats near Lake Constance with populations Nos 1 1 1A; 2 1 2A; 3 1 3A; 4 1 4A; 5 1 5A; elevation above sea level: ca 400 m. (2) Habitats around the city of TuÈbingen with populations Nos 6 1 6A; 7 1 7A; 8; 9 1 9A; 10A; 11; 12; 13; elevation: ca 400±450 m. (3) Limestone high land of the Swabian Alp with population No. 17; elevation: ca 600 m. (4) Hill land in the AllgaÈu with population No. 14; elevation ca 600 m. (5) Low land in northern Germany with population No. 15; elevation ca 30 m. (6) Low land in the north east of Germany with population No. 19A; elevation ca 50 m. (7) South-east of Berlin with population No. 16; elevation ca 100 m. (8) Low land of the river Ohre with population No. 21A; elevation ca 300 m. (9) High land of the Alps with population No. 20A; elevation ca 900 m. (10) Mountain area of the Vosges with population No. 18. elevation ca 800 m.
FIG. 3. Conchological diOEerentiation among the homozygous genotypes Aat 1 in Selection and habitat-speci®c allozyme variation in the self-fertilizing land snail Cochlicopa lubrica (O. F. MuÈller)
FIG. 3. Conchological diOEerentiation among the homozygous genotypes Aat 1`20 ' and Aat 1`80' of Cochlicopa lubrica. The two groups are very similar with respect to the four shell dimensions. Discriminant scores are extracted with`shell height',`shell diameter',`diameter of the last whorl' and`diameter of the penultimate shell whorl'. Data of 316 shells are incorporated.
FIGURE 14 in <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>
FIGURE 14. Hungerfordia expansilabris sp. nov. (A1–A4) A topotypic paratype, B0480a; (B) columella (left lateral view), a paratype from Loc. BA6-1, B0667a; (C) axial ribs above the aperture after removal of the parietal margin of inner peristome, (D1) sculpture on the penultimate whorl, and (D2) sculpture on the body whorl of a topotypic paratype (B0480a); (E) umbilical view of a paratype after removal of the spiny ribs and the outer peristome, only the last whorl shown, Loc. BA6-1, B0667b; (F1–F5) holotype, B0480T; (G) a paratype from Loc. BA5-4, B0472; (H) a paratype from Loc. BA6-1, B0667c; (I1, I2) outer surface, and (I3, I4) inner surface of operculum, a topotypic paratype, B0480. Scale bars, 1mm (A–H), 0.5 mm (I). All specimens, UMUTZ-MG.
FIGURE 29 in <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>
FIGURE 29. Shell size and shape variation among Hungerfordia species with highly developed ribs. (A) H. triplochilus sp. nov., holotype; (B) H. expansilabris sp. nov., holotype; (C) H. nudicollum sp. nov., holotype; (D) H. echinata echinata sp. et subsp. nov., holotype; (E) H. echinata tubulispina subsp. nov., holotype; (F1) H. lamellata (Crosse, 1866), B0199a; (F2) H. lamellata (Crosse, 1866), B0282b; (G) H. alata (Crosse, 1866), B0446; (H) H. pteropurpuroides sp. nov., holotype; (I1) H. subalata sp. nov., paratype (B0655); (I2) H. subalata sp. nov., holotype; (J) H. papilio stenoptera subsp. nov., holotype; (K) H. papilio papilio sp. et subsp. nov., holotype; (L) H. goniobasis dmasechensis subsp. nov., holotype; (M) H. goniobasis goniobasis sp. et subsp. nov., holotype; (N) H. elegantissima sp. nov., holotype; (O1) H. pelewensis Beddome, 1889, B0542; (O2) H. pelewensis Beddome, 1889, B0383. Scale bar, 1mm. All specimens, UMUTZ-MG.
FIGURE 27 in <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>
FIGURE 27. Hungerfordia papilio papilio sp. et subsp. nov. (A1–A4) A paratype from Loc. Gk4-3, B0374a; (B) columella (dorsal view), (C) axial ribs above the aperture, and (D) sculpture on the last 2–4 whorls of paratypes from Loc. Gk4-3 (B0374a, b); (E) a paratype after removal of the winged ribs, Loc. Gk4-3, B0374c; (F) a paratype from Gk4-3, B0374d; (G1– G4) holotype, B0434T; (H) a paratype from Loc. Gk6-3, B0858; (I) a paratypes from Loc. Gk7-3, B0963; (J) umbilical view of a paratype after removal of the winged ribs, Loc. Gk4-3, B0374c; (K1, K2) outer surface, and (K3, K4) inner surface of operculum of a paratype, Loc. Gk4-3, B0374. Scale bars, 1mm (A–J), 0.5 mm (K). All specimens, UMUTZ-MG.
FIGURE 13 in <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>
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.
FIGURE 12. Hungerfordia pelewensis Beddome, 1889 in <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>
FIGURE 12. Hungerfordia pelewensis Beddome, 1889. (A1–A5) An adult from Loc. Ko2-2, B0046a; (B) an adult from Loc. Ko5-6, B0542; (C1–C3) an adult from Loc. Gk5-5, B0651a; (D1–D3) a juvenile, and (E1–E3) a subadult from Loc. Ub6-1 (B0752a, b); (E4) enlarged Fig. E2, showing an abrupt change of the sculpture and whorl shape on the last whorl; (F) subapical views of broken adults showing the columellar tooth and the constriction: (F1) an adult from Loc. Gk5-5, B0651b; (F2) an adult from Loc. Ko2-2, B0046b; (G) a young subadult from Loc. Gk5-5, B0752c; (H) sculpture on penultimate and the higher two whorls, a subadult from Loc. Ub6-1, B0752; (I) protoconch, an adult from Loc. Ko2-2, B0651c; (J) an adult from Loc. BA4-1, B0283; (K) an adult from Loc. Gk5-5, B0046c; (L1, L2) outer surface, and (L3, L4) inner surface of operculum, Loc. Ko2-2, B0046. Arrow heads show position of the constriction. Scale bars, 1mm (A–G, J, K), 0.5 mm (H, I, L). All specimens, UMUTZ-MG.
FIGURE 10 in <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>
FIGURE 10. Opercula of Palaina (Eupalaina) and Hungerfordia species. (A) P. (E.) moussoni Crosse, 1866, B0229; (B) P. (E.) dimorpha Crosse, 1866, B0087; (C) P. (E.) sp.-18, longitudinal section, B0082; (D) P. (E.) patula Crosse, 1866, B0204; (E) H. polymorpha (Crosse, 1866), B0049; (F) H. pelewensis Beddome, 1889, B0046; (G) H. polymorpha (Crosse, 1866), longitudinal section, B0049; (H) H. alata (Crosse, 1866), B0058. Oblique view of the outer surface, oblique view of the inner surface, and vertical view of the inner surface are shown from left to right in Figs. A, B, E, and F. Oblique view of the inner surface and vertical view of the inner surface are shown from left to right in Figs. D and H. Scale bars, 0.5 mm (A–B, D, E–F, H), 0.1 mm (C, G). All specimens, UMUTZ-MG.
FIGURE 8 in <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>
FIGURE 8. Radulae and buccal masses of Hungerfordia and Palaina (Eupalaina) species. (A1–A4) H. pelewensis Beddome, 1889, B0283; (B1–B4) H. polymorpha (Crosse, 1866), B0315; (C1–C4) P. (E.) sp.-20, B0595; (D1, D2) P. (E.) patula Crosse, 1866, B0320; (E1) H. pelewensis Beddome, 1889, buccal mass, B0283; (E2) H. polymorpha (Crosse, 1866), buccal mass, B0315; (E3) P. (E.) patula Crosse, 1866, buccal mass, B0320. Scale bars, 10 µm (A–D), 0.5 mm (E1–E3). All specimens, UMUTZ-MG.
FIGURE 9 in <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>
FIGURE 9. Radulae of Hungerfordia species. (A) H. pelewensis Beddome, 1889, B0283; (B) H. triplochilus sp. nov., topotypic paratype, B0158; (C) H. expansilabris sp. nov., topotypic paratype, B1299; (D) H. nudicollum sp. nov., topotypic paratype, B0364; (E) H. echinata echinata sp. et subsp. nov., paratype, B1084; (F) H. echinata tubulispina subsp. nov., topotypic paratype, B0169; (G) H. elegantissima sp. nov., topotypic paratype, B0375; (H) H. goniobasis goniobasis sp. et subsp. nov., topotypic paratype, B0235; (I) H. goniobasis dmasechensis subsp. nov., topotypic paratype, B0579; (J) H. lamellata (Crosse, 1866), B0157; (K) H. subalata sp. nov., paratype, B0021; (L) H. pteropurpuroides sp. nov., topotypic paratype, B1116; (M) H. alata (Crosse, 1866), B1041; (N) H. papilio papilio sp. et subsp. nov., paratype, B0374; (O) H. papilio stenoptera subsp. nov., paratype, B0761. Scale bars, 10 µm. All specimens, UMUTZ-MG.
FIGURE 6 in <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>
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.
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