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114 results for “Helicoidea”
FIGURE 2 in The subgenus Monilearia (Lyrula) Wollaston, 1878 (Gastropoda: Helicoidea: Cochlicellidae) from Lanzarote and Fuerteventura (Canary Islands), with the description of Monilearia (Lyrula) tubaeformis sp. nov.
FIGURE 2. Monilearia tubaeformis sp. nov. holotype shell showing the placement of the measurements obtained for table 2. BH, body whorl height (without the aperture zone); D1, maximum shell diameter; D2, shell diameter perpendicular to D1; FP, shell frontal perimeter; FS, shell frontal surface (plane view); SH, shell height; SP, shell perimeter (dorsal plane view); SS, shell surface (dorsal plane view).
FIGURE 4 in The subgenus Monilearia (Lyrula) Wollaston, 1878 (Gastropoda: Helicoidea: Cochlicellidae) from Lanzarote and Fuerteventura (Canary Islands), with the description of Monilearia (Lyrula) tubaeformis sp. nov.
FIGURE 4. Monilearia tubaeformis sp. nov. paratypes, showing the shell variability. A–B. from the type locality; C. from Vega de Río Palmas.
FIGURE 3 in A new Canariella species (Gastropoda: Helicoidea: Hygromiidae) of the new subgenus Majorata, both endemic to the Jandía Peninsula (Fuerteventura, Canary Islands)
FIGURE 3. Scatter plots of some shell measurements for Canariella jandiaensis sp. nov. and C. eutropis. Abbreviations same as in Fig. 2.
FIGURE 5. Genital system and details. A in A new Canariella species (Gastropoda: Helicoidea: Hygromiidae) of the new subgenus Majorata, both endemic to the Jandía Peninsula (Fuerteventura, Canary Islands)
FIGURE 5. Genital system and details. A. Canariella jandiaensis sp. nov., from Morro del Cavadero (an AIT paratype). B. C. eutropis, from Morro del Cavadero (taken from Ibáñez et al. 1995, fig. 38). a, general appearance of the whole genital system; at, atrium; ag, albumen gland; b, detail of the distal female duct; bc, bursa copulatrix; c, detail of the distal male duct; d, epiphalluspenis diagram (without scale); e, vaginal crosssection diagram; with arrangement of vaginal glands (without scale); ef, epiphallar fold; ep, epiphallus; f, detail of the evaginated penis; showing the penial papilla; fl, flagellum; o, free oviduct; p, penis; pi, pilaster; pp, penial papilla (also marked with asterisk); ps, pseudopapilla (also marked with arrow); r, retractor muscle; s, sheath; v, vagina; vd, vas deferens; vg, vaginal gland.
FIGURE 4. Shells and living specimens. A in A new Canariella species (Gastropoda: Helicoidea: Hygromiidae) of the new subgenus Majorata, both endemic to the Jandía Peninsula (Fuerteventura, Canary Islands)
FIGURE 4. Shells and living specimens. A. Canariella plutonia, from Vega de Río Palmas; B–C. C. jandiaensis sp. nov., from Morro del Cavadero; B. Holotype. D–E. C. eutropis from Solana del Ciervo. Scale bar applies to A, B, D.
FIGURE 5 in Revision of the Chinese species of Ponsadenia (Gastropoda: Helicoidea, Bradybaenidae)
FIGURE 5. Ponsadenia (Ponsadenia) zhongdianensis sp. nov. A, general view of genitalia; B, another side of dart apparatus, opposite to A; C, inside view of penis chamber; D, jaw; E, dart with crosssections; F, sagittal section of dart apparatus, with crosssections; G, ovotestis. A, D, G, paratype, HBUMM01790specimen 2; B, C, E, F, paratype, HBUMM01790specimen 3.
FIGURE 4 in Revision of the Chinese species of Ponsadenia (Gastropoda: Helicoidea, Bradybaenidae)
FIGURE 4. Ponsadenia (Ponsadenia) zhongdianensis sp. nov., Holotype, HBUMM01790 specimen 1. A, apical view; B, umbilical view; C, apertural view; D, oblique apertural view, showing the shape of aperture.
FIGURE 1 in A new Canariella species (Gastropoda: Helicoidea: Hygromiidae) of the new subgenus Majorata, both endemic to the Jandía Peninsula (Fuerteventura, Canary Islands)
FIGURE 1. Distribution of Canariella jandiaensis sp. nov. and C. eutropis. Symbols represent 1 x 1 km UTM squares.
FIGURE 2 in Revision of the Chinese species of Ponsadenia (Gastropoda: Helicoidea, Bradybaenidae)
FIGURE 2. Ponsadenia (Mesasiata) duplocincta (Martens, 1879), HBUMM01098bspecimen 1. A, basal view of dart apparatus; B, sagittal section of dart apparatus, showing mucous glands insertion; C, sagittal section of terminal genitalia, showing relative position of penis, vagina and dart apparatus.
FIGURE 3 in Revision of the Chinese species of Ponsadenia (Gastropoda: Helicoidea, Bradybaenidae)
FIGURE 3. Ponsadenia (Ponsadenia) semenovi (Martens, 1864), HBUMM01097E specimen 1. A, general view of genitalia; B, magnified bridge part of dart sac; C, sagittal section of dart apparatus.
FIGURE 3. Shell and SEM details. A–D in The subgenus Monilearia (Lyrula) Wollaston, 1878 (Gastropoda: Helicoidea: Cochlicellidae) from Lanzarote and Fuerteventura (Canary Islands), with the description of Monilearia (Lyrula) tubaeformis sp. nov.
FIGURE 3. Shell and SEM details. A–D. Monilearia loweana; A. from Valle Chico; B–D. from Mirador de Malpaso; C. Some bristles of third whorl rectangular "cells"; D. "cell" subdivisions and a line of bristles between second and third whorls; E–F, Monilearia multipunctata; E. from Barranco de Gran Valle; F. from Rosa de Zapata; G–H, Monilearia tubaeformis sp. nov. G. Holotype, from Lomo del Aceituno; H. Paratype, from Vega de Río Palmas, detail of shell ventrallateral side. Scale bar (2 mm) applies to A, E, F, G.
FIGURE 1 in The subgenus Monilearia (Lyrula) Wollaston, 1878 (Gastropoda: Helicoidea: Cochlicellidae) from Lanzarote and Fuerteventura (Canary Islands), with the description of Monilearia (Lyrula) tubaeformis sp. nov.
FIGURE 1. Geographical distribution of Monilearia tubaeformis sp. nov., M. multipunctata, and M. loweana. Symbols represent 1 x 1 km UTM squares.
FIGURE 1. A in Revision of the Chinese species of Ponsadenia (Gastropoda: Helicoidea, Bradybaenidae)
FIGURE 1. A. Ponsadenia (Mesasiata) duplocincta (Martens, 1879), HBUMM01116E specimen 1; B. Ponsadenia (Ponsadenia) semenovi (Martens, 1864), HBUMM01097E specimen 3.
FIGURE 13 in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 13. Hemicycla fulgida sp. nov., paratype from El Bailadero (Tenerife). A. Spermatophore in the stalk of the bursa copulatrix complex. B. An undigested part of the spermatophore. C. Dart; bd, bursa duct; c, crown; d, diverticulum; st, stalk.
FIGURE 9. Shell body whorl details. A, B in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 9. Shell body whorl details. A, B. Hemicycla fulgida sp. nov., holotype. C, D. Hemicycla invernicata. E, F. Hemicycla consobrina. A, C, E, dorsal view. B, D, F, frontal view.
FIGURE 10 in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 10. Shell aperture details of the Hemicycla consobrina specimen in different views (A–D), showing the "small callosity" (yellow arrows) and the form "obtusément triangulaire" described by Mousson. A. Aperture accurately in plane view.
FIGURE 11. Genital system. A in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 11. Genital system. A. Hemicycla fulgida sp. nov., paratype from El Bailadero. B. Hemicycla invernicata from Montaña Cabeza de Toro. C. Hemicycla consobrina from Guamasa; ri, ring zone.
FIGURE 8. Shells from Tenerife. A in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 8. Shells from Tenerife. A. Hemicycla fulgida sp. nov., holotype. B. Hemicycla invernicata from Montaña Cabeza de Toro pine forest, near Las Lagunetas (La Esperanza forests). C. Hemicycla consobrina from Las Mercedes laurel forest.
FIGURE 7 in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 7. Scatter plots of some shell measurements of the species studied. 1, Hemicycla consobrina; 2, Hemicycla invernicata; 3, Hemicycla fulgida sp. nov.; 4, Hemicycla perraudierei; 5, Hemicycla laurijona sp. nov. BP, body whorl frontal perimeter; BS, body whorl frontal surface (plane view); D1, maximum shell diameter; D2, shell diameter perpendicular to D1; FP, shell frontal perimeter; FS, shell frontal surface (plane view); SH, shell height; SP, shell perimeter (dorsal plane view); SS, shell surface (dorsal plane view).
FIGURE 5. Shell body whorl details. A–C in Anatomy and function of the penial twin papillae system of the Helicinae (Gastropoda: Helicoidea: Helicidae) and description of two new, small Hemicycla species from the laurel forest of the Canary Islands
FIGURE 5. Shell body whorl details. A–C. Hemicycla laurijona sp. nov., holotype. D–F. Hemicycla perraudierei. A, D, dorsal view. B, E, frontal view. C, F, ventral view. The sells are the same as in Fig. 4.
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