Find research datasets worth reusing

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.

FIGURE 4. Shells. 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 4. Shells. A. Hemicycla laurijona sp. nov., holotype. B. Hemicycla laurijona sp. nov., paratypes from Puntas Coloradas, La Gomera. C. Hemicycla perraudierei, from Las Casillas, El Hierro.

FIGURE 3. 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 3. A. Hemicycla laurijona sp. nov., paratype from Puntas Coloradas, La Gomera. B. Hemicycla fulgida sp. nov., paratype from El Bailadero, Tenerife.

FIGURE 2. Shell drawings. 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 2. Shell drawings. A. Hemicycla laurijona sp. nov. holotype. B. Hemicycla fulgida sp. nov., holotype showing the placement of the measurements obtained. BH, body whorl height (at columella level); 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 1 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 1. Geographical distribution of Hemicycla laurijona sp. nov. and Hemicycla fulgida sp. nov. The blue arrow indicates approximately the area of the Hemicycla invernicata type locality. Symbols represent 1 x 1 km UTM squares.

FIGURE 4. Genital system. A in Hemicycla (Hemicycla) fuenterroquensis (Gastropoda: Helicoidea: Helicidae), a new species from La Palma, Canary Islands

FIGURE 4. Genital system. A, Hemicycla vermiplicata; B, H. fuenterroquensis sp. nov.; C, H. granomalleata; bc, bursa copulatrix; bd, bursa duct; cs, common stalk of the bursa copulatrix complex; d, diverticulum; ds, dart sac; e, epiphallus; f, flagellum; go, genital orifice; pp1, proximal penial papilla; pp2, distal penial papilla; pc, penial chamber; r, retractor muscle.

FIGURE 3. A in Hemicycla (Hemicycla) fuenterroquensis (Gastropoda: Helicoidea: Helicidae), a new species from La Palma, Canary Islands

FIGURE 3. A, Shell drawings of Hemicycla fuenterroquensis sp. nov., holotype, showing the placement of the measurements obtained for Table 1. B, Scatter plots of some shell measurements of the studied species. BH, body whorl height (at columella level); 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 2 in Hemicycla (Hemicycla) fuenterroquensis (Gastropoda: Helicoidea: Helicidae), a new species from La Palma, Canary Islands

FIGURE 2. Shells and details of the body whorl ornamentation of the three known Hemicycla species from La Palma Island. A, B, Hemicycla vermiplicata; C, D, H. fuenterroquensis sp. nov.; E, F, H. granomalleata. The arrows in Fig. 2 D highlight the weak microsculpture of the H. fuenterroquensis sp. nov. shell.

FIGURE 1 in Hemicycla (Hemicycla) fuenterroquensis (Gastropoda: Helicoidea: Helicidae), a new species from La Palma, Canary Islands

FIGURE 1. Geographical distribution of the known Hemicycla species from La Palma Island, and a detailed photograph of a Hemicycla fuenterroquensis sp. nov. specimen described in the present study.

FIGURE 2 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 2. Distribution of Hemicycla (Adiverticula) diegoi n. sp. (․: modern record) and Hemicycla (Adiverticula) mascaensis (●: modern records, Ο: (sub-)fossil record) on Tenerife, Canary Island, Spain. The map is based on the topographical map sheets in the Series L, scale 1:50000, Cartografía Militar de España for Tenerife, UTM (MGRS) coordinates, WGS-84 ellipsoid and datum, zone 28R, 100 x 100 km UTM-squares CS and DS with 5 km grid spacing. Symbols in the map correspond to1 x 1 km UTM-squares.

FIGURE 7 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 7. Scatter plots of some linear shell measurements (see Fig. 1) that are frequently used to compare gastropod species. Black dots: Hemicycla (Adiverticula) diegoi n. sp.; gray dots: H. (A.) mascaensis.

FIGURE 1 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 1. Shell and genital measurements for comparison of Hemicycla (Adiverticula) diegoi n. sp. (A–C) and Hemicycla (Adiverticula) mascaensis (D–E). A, B. Dorsal and lateral view of shell. Dmax = maximum diameter, Dmin = minimum diameter, SH = shell height, SpH = spire height, AH = aperture height, AB = aperture breadth, BWH = body whorl height. C, D. Aperture of shell. AWmax = maximum aperture width, AWmin = minimum aperture width, CW = callus width (C, for shell with open and D, for shell with covered umbilicus). E. Genital system. BC = length of bursa copulatrix, BCD = length of bursa copulatrix duct, DV = length of distal vagina, PV = length of proximal vagina, P = penis length, DEp = length of distal part of epiphallus (from the penis retractor muscle to the proximal end of the penis), PEp = length of proximal part of epiphallus (from the insertion point of the vas deferens to the penis retractor muscle), F = length of flagellum, Vsd = length of vas deferens, MG = length of mucus gland, DS = length of dart sac, SOv = length of spermoviduct, FOv = length of free oviduct, AlG = length of albumen gland.

FIGURE 4 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 4. Hemicycla (Adiverticula) diegoi n. sp. A. living animal from the type locality (scale bar = 10 mm). B. Genital system (scale bar = 5 mm). C. Internal anatomy of the penis (scale bar = 1 mm) with proximal penial papilla (pp), distal penial papilla (dp), contact organ (co) and distal part of epiphallus (ep). D. Dart (scale bar = 1 mm). E. Mandible (scale bar = 1 mm). F–H. Radula teeth (scale bar = 10 μm): marginal teeth (F), outer lateral teeth (G), central and inner lateral teeth (H).

FIGURE 3 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 3. Comparison of shells of Hemicycla (Adiverticula) diegoi n. sp. (holotype) (A–D) and Hemicycla (Adiverticula) mascaensis (E–H). A, E. Shell. B, F. Aperture. C, G. Last whorl sculpture. D, H. Protoconch. (A, E: scale bar = 10 mm; B, F: scale bar = 5mm; C, D, G, H: scale bar = 2.5 mm).