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FIGURE 7 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 7. Male soft parts of Palaina (Eupalaina) and Hungerfordia species. (A1, A2) P. (E.) patula Crosse, 1866, B0753; (B) P. (E.) sp.-20, live condition, B0732; (C) H. inflatula (Crosse, 1866), B0217; (D) H. pelewensis Beddome, 1889, live condition, B0651; (E) H. polymorpha (Crosse, 1866), live condition, B0659. Arrow heads indicate penes. Scale bars, 1mm. All specimens, UMUTZ-MG.
FIGURES 4–5 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>
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.
FIGURE 1 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 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.
FIGURE 26 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 26. Hungerfordia alata (Crosse, 1866). (A1–A4) Syntype of "Palaina" alata, MNHN 26601; (B1, B2) original labels of the syntype; (C) a fresh specimen with a narrow interspace between the inner and outer peristomes, Loc. Ch5-1, UMUTZ- MG-B0523b. Scale bar, 1mm.
FIGURE 25 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 25. Hungerfordia alata (Crosse, 1866). (A1–A4) Loc. Ko2-2, B1396a; (B) columellar tooth (dorsal view), Loc. Ko2- 2, B1396b; (C) axial ribs above the aperture (after removal of the inner peristome), Loc. Ko2-2, B1396a; (D) sculpture on the penultimate whorl, Loc. Ko2-2, B1396c; (E) sculpture above the suture of the last whorl, Loc. Ch8-2, B1396; (F1–F3) Loc. Ko2-2, B1396d; (G) apical septum, a partially opened specimen, Loc. Ko2-2, B1396; (H) umbilical view of a specimen after removal of the winged ribs, only the last whorl shown, Loc. Ko2-2, B1396e; (I1, I2) Loc. BA5-2, B0446; (J) Loc. Ch5-1, B0523a; (K) a reddish specimen from Loc. Ub7-2, B1062; (L1, L2) outer surface, and (L3, L4) inner surface of operculum, Loc. Ko2-2, B1396. Scale bars, 1mm (A–K), 0.5 mm (L). All specimens, UMUTZ-MG.
FIGURE 24 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 24. Hungerfordia pteropurpuroides sp. nov. (A1–A4) A topotypic paratype, B0281a; (B) columella (left lateral view), (C) axial ribs above the aperture, (D) apical septum, and (E) sculpture on the penultimate whorl of topotypic paratypes (B0281a–d); (F1) left lateral view, and (F2) oblique apical view of sculpture on the penultimate whorl of the holotype; (G) umbilical view of a topotypic paratype after removal of the winged ribs, only the last whorl shown, B0281e; (H) oblique umbilical view of a paratype from Loc. BA8-3, a specimen with a narrowly opened umbilicus, B1311; (I1–I4) holotype, B0281T; (J) a paratype from Loc. BA5-2, B0447; (K) a paratype from Loc. BA6-3, B0684; (L) a paratype from Loc. BA4-2, B0295; (M1, M2) outer surface, and (M3, M4) inner surface of operculum, a topotypic paratype, B0281. Scale bars, 1mm (A–L), 0.5 mm (M). All specimens, UMUTZ-MG.
FIGURE 23 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 23. Hungerfordia subalata sp. nov. (A1–A4) A topotypic paratype, B0385a; (B) columellar tooth (dorsal view), (C) axial ribs above the aperture, and (D) sculpture on the penultimate whorl of topotypic paratypes (B0385a, b); (E) sculpture above the suture of the last whorl, holotype, B0385T; (F1–F4) holotype, B0385T; (G1–G3) a paratype from Loc. Gk6-2, untypical morph with developed spiny ribs above the aperture and with a narrowly opened umbilicus, B0738; (H) a paratype from Loc. Gk5-5, B0655; (I) a paratype from Loc. Gk4-4, B0425; (J1, J2) outer surface, and (J3, J4) inner surface of operculum, a topotypic paratype, B0385c. Scale bars, 1mm (A–I), 0.5 mm (J). All specimens, UMUTZ-MG.
FIGURE 22 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 22. Hungerfordia lamellata (Crosse, 1866). (A1–A6) Syntype of "Palaina" lamellata, MNHN 26604; (A7) sculpture on apical whorls of the syntype; (B1, B2) original labels of the syntype; (C) a fresh specimen with circum-apertural sculpture similar to the syntype, Loc. Ko5-6, UMUTZ-MG-B0541. Arrow head shows an abrupt whorl swelling after the constriction. Scale bars, 1mm.
FIGURE 21 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 21. Hungerfordia lamellata (Crosse, 1866). (A1–A4) Loc. Ub3-1, B0199a; (B) sculpture on penultimate whorl, Loc. Ub3-1, B0199a; (C) axial ribs above the aperture, Loc. Ko8-2, B1419; (D1) inner surface of constriction (apical view), Loc. Ub3-1, B0199b; (D2) inner surface of constriction (apical view), Loc. BA4-1, B0282a; (E) sculpture on apical whorls, Loc. BA4-1, B0282b; (F1–F4) Loc. Ub3-1, B0199; (G1–G3) Loc. BA4-1, B0282b–c; (H) Loc. Ko2-2, B0059a; (I, J) Loc. Ko5-6, B0541; (K1) columella (dorsal view), Loc. Ub3-1, B0199c; (K2) columellar tooth (dorsal view), Loc. Ko2-2, B0059b; (L1, L2) outer surface, and (L3, L4) inner surface of operculum, Loc. Ub3-1, B0199. Arrow head shows position of the constriction. Scale bars, 1mm (A–C, F–K), 0.5 mm (D–E, L). All specimens, UMUTZ-MG.
FIGURE 20 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 20. Hungerfordia goniobasis dmasechensis subsp. nov. (A1–A5) A topotypic paratype, B0579a; (B) aperture, (C) columellar tooth (dorsal view), (D) axial ribs above the aperture, and (E) sculpture on the penultimate whorl (left lateral view) of topotypic paratypes (B0579a, b); (F) sculpture on the penultimate whorl of the holotype; (G1–G5) holotype, B0579T; (H) a topotypic paratype, B0579c; (I1, I2) outer surface, and (I3, I4) inner surface of operculum, a topotypic paratype, B0579. Scale bars 1mm (A, G–H), 0.5 mm (B–F, I). All specimens, UMUTZ-MG.
FIGURE 19 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 19. Hungerfordia goniobasis goniobasis sp. et subsp. nov. (A1–A5) A topotypic paratype, B0235a; (B) aperture, (C) columella (dorsal view), (D) axial ribs above the aperture (umbilical view), and (E) sculpture on the penultimate whorl of a topotypic paratype (B0235a); (F1–F5) holotype, B0235T; (G) a topotypic paratype, B0235b; (H1, H2) a paratype with short spiny ribs from Loc. Mc6-1, B0763; (I1, I2) outer surface, and (I3, I4) inner surface of operculum, a topotypic paratype, B0235. Scale bars, 1mm (A, D–H), 0.5 mm (B, C, I). All specimens, UMUTZ-MG.
FIGURE 17 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 17. Hungerfordia echinata tubulispina subsp. nov. (A1–A4) A topotypic paratype, B0169a; (B) columella (dorsal view), (C) axial ribs above the aperture (after removal of parietal margin of the outer peristome), (D1) sculpture on the last 1.25–1.5 whorls, and (D2) sculpture on the 1.5–1.25 whorls of topotypic paratypes (B0169a, b); (E1–E4) holotype, B0169T; (F) umbilical view of last whorl, and (G) front view of entire shell of a topotypic paratype after removal of the spiny ribs (B0169c); (H, I) topotypic paratypes, B0169d, e; (J1, J2) outer surface, and (J3, J4) inner surface of operculum, a topotypic paratype, B0169. Scale bars, 1mm (A–K), 0.5 mm (J). All specimens, UMUTZ-MG.
FIGURE 16 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 16. Hungerfordia echinata echinata sp. et subsp. nov. (A1–A4) A paratype from Loc. BA5-1, B0437a; (B) columellar tooth (left lateral view), and (C) axial ribs above the aperture of paratypes from Loc. BA5-1 (B0437a, b); (D1) sculpture on the last 2–1.5 whorls, and (D2) sculpture on the last 1–1.5 whorls of a paratype from Loc. BA5-1, B0437a; (E1–E4) holotype, B1441T; (F) umbilical view of a paratype after removal of the spiny ribs, only the last whorl shown, Loc. BA7-1, B1084b; (G) a paratype from Loc. BA6-1, B0662; (H) a paratype with broken spines from Loc. BA5-1, B0437c; (I) a paratype from Loc. BA8-2, B1300; (J) apical septum, a partially opened paratype from Loc. BA5-1, B0437b; (K1, K2) outer surface, and (K3, K4) inner surface of operculum, a paratype from Loc. BA5-1, B0437. Scale bars, 1mm (A–J), 0.5 mm (K). All specimens, UMUTZ-MG.
FIGURE 15 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 15. Hungerfordia nudicollum sp. nov. (A1–A4) A paratype from Loc. Gk4-2, B0364a; (B) columellar tooth (dorsal view), a paratype from Loc. Gk4-2, B0364b; (C) axial ribs above the aperture, a subadult of topotypic paratype, B0146a; (D1) sculpture on the last 1–1.5 whorls, and (D2) sculpture on the last 1.5–2 whorls of a paratype from Loc. Gk4-2 (B0364a); (E) sculpture behind the aperture, a topotypic paratype, B0364c; (F) a paratype from Loc. Gk7-2, B0912; (G1–G4) holotype, B0364T; (H) a topotypic paratype, B0146b; (I) a paratype after removal of the spiny ribs, Loc. Gk4-2, B0364d; (J1, J2) outer surface, and (J3, J4) inner surface of operculum, a topotypic paratype, B0364. Scale bars, 1mm (A–I), 0.5 mm (J). All specimens, UMUTZ-MG.
Figure 1. Shells.A–J in Tracking parallel adaptation of shell morphology through geological times in the land snail genus Pupilla (Gastropoda: Stylommatophora: Pupillidae)
Figure 1. Shells.A–J, Pupilla alpicola (A–E, lowland populations"P.pratensis"; F–J, typical mountain populations).K–P, P.loessica. Q–T, P. muscorum. A, M_6001_3_1, Lake Galenbeck (Mecklenburg-Western Pomerania, Germany). B, SMNS-ZI0138340, type locality Dinkelscherben near Augsburg (Bavaria, Germany). C, M_846_1_2, Burgtonna (Thuringia, Germany), fossil from Early
Figure 6 in Tracking parallel adaptation of shell morphology through geological times in the land snail genus Pupilla (Gastropoda: Stylommatophora: Pupillidae)
Figure 6. Thin-plate splines illustrating (theoretical) transitions in shape, side view, exaggeration 5 times. A, fossil P. loessica → extant P. loessica. B, fossil P. pratensis (including P. m. densegyrata) → extant P. pratensis. C, fossil P. pratensis (including P. m. densegyrata) → extant P. alpicola. D, extant P. pratensis → P. alpicola. E, extant P. loessica→ P. alpicola. F, fossil P. muscorum → extant P. muscorum.
Figure 3 in Amplified fragment length polymorphisms, the evolution of the land snail genus Theba (Stylommatophora: Helicidae), and an objective approach for relating fossils to internal nodes of a phylogenetic tree using geometric morphometrics
Figure 3. Thin plate splines illustrating shape changes between selected nodes of the tree in Figure 4 based on weighted branch lengths.
Figure 4 in Amplified fragment length polymorphisms, the evolution of the land snail genus Theba (Stylommatophora: Helicidae), and an objective approach for relating fossils to internal nodes of a phylogenetic tree using geometric morphometrics
Figure 4. Reconstruction of shell shape and size based on weighted (above branches) and unweighted (below branches) branch lengths. The inset shows the tree shape based on COI sequence data evolved into the AFLP tree topology. Node numbers are in italic; size is expressed as centroid size; the colour of the centroid size values indicates shape changes.
Figure 6 in Molecular phylogenetics and complementary geographical distributions of species of the Western Australian land snail genera Plectorhagada Iredale, 1933 and Strepsitaurus Solem, 1997 (Gastropoda: Camaenidae)
Figure 6. Scores on discriminant functions of shell traits among Plectorhagada carcharias, Plectorhagada scolythra, and Plectorhagada teres sp. nov.
Figure 4 in Molecular phylogenetics and complementary geographical distributions of species of the Western Australian land snail genera Plectorhagada Iredale, 1933 and Strepsitaurus Solem, 1997 (Gastropoda: Camaenidae)
Figure 4. Frequency distribution of genetic p-distances for COI in Plectorhagada and Strepsitaurus; white, comparisons between genera; grey, comparisons between congeneric species; black, comparisons within species.
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