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1,225 results for “land snail”
Figure 19 in Descriptions of New Species of the Diverse and Endemic Land Snail Amplirhagada Iredale, 1933 from Rainforest Patches across the Kimberley, Western Australia (Pulmonata: Camaenidae)
Figure 19. Penial anatomy of Amplirhagada vialae n.sp. (AM C.472925). For labelling of structures see Fig. 4. Scale bar = 3 mm.
Figure 15 in Descriptions of New Species of the Diverse and Endemic Land Snail Amplirhagada Iredale, 1933 from Rainforest Patches across the Kimberley, Western Australia (Pulmonata: Camaenidae)
Figure 15. Genitalia of Amplirhagada davidsoniana n.sp. (AM C.472923). For labelling of structures see Fig. 3. Scale bar = 5 mm.
Figure 12 in Descriptions of New Species of the Diverse and Endemic Land Snail Amplirhagada Iredale, 1933 from Rainforest Patches across the Kimberley, Western Australia (Pulmonata: Camaenidae)
Figure 12. Genitalia of Amplirhagada moraniana n.sp. (WAM S34714). For labelling of structures see Fig. 3. Scale bar = 5 mm.
Figure 3 in Descriptions of New Species of the Diverse and Endemic Land Snail Amplirhagada Iredale, 1933 from Rainforest Patches across the Kimberley, Western Australia (Pulmonata: Camaenidae)
Figure 3. Genitalia of Amplirhagada atlantis n.sp. (AM C.472918). Abbreviations: ag, albumen gland; bc, bursa copulatrix; fo, free oviduct; hd, hermaphroditic duct; p, penis; rm, penial retractor muscle; so, sperm oviduct; va, vagina; vd, vas deferens. Scale bar = 5 mm.
Figure 10 in Descriptions of New Species of the Diverse and Endemic Land Snail Amplirhagada Iredale, 1933 from Rainforest Patches across the Kimberley, Western Australia (Pulmonata: Camaenidae)
Figure 10. Penial anatomy of Amplirhagada alicunda n.sp. (WAM S34711). For labelling of structures see Fig. 4. Scale bar = 3 mm.
Fig. 4 in Taxonomic Re-Evaluation Of Sarika Diadema (Dall, 1897) And S. Asamurai (Panha, 1997), Two Endemic Land Snails From Thailand (Pulmonata: Ariophantidae: Macrochlamydinae)
Fig. 4. Radula morphology. Sarika diadema from Botanic Garden, Trang: A, central tooth with first to third lateral teeth; B, lateral teeth with bicuspid marginal teeth transition; C, outermost marginal teeth. Sarika asamurai from Klong Phanom National Park, Suratthani: D, central tooth with first and second lateral teeth; E, lateral teeth with bicuspid marginal teeth transition; F, outermost marginal teeth. Numbers indicated order of lateral and marginal teeth. Central tooth indicated by 'C'.
Fig. 1 in Taxonomic Re-Evaluation Of Sarika Diadema (Dall, 1897) And S. Asamurai (Panha, 1997), Two Endemic Land Snails From Thailand (Pulmonata: Ariophantidae: Macrochlamydinae)
Fig. 1. The collecting sites of S. diadema (■) and S. asamurai (●) within southern Thailand. Shading represents mountainous areas with an altitude higher than 50 m (light grey) and 500 m (dark grey).
Fig. 2 in Taxonomic Re-Evaluation Of Sarika Diadema (Dall, 1897) And S. Asamurai (Panha, 1997), Two Endemic Land Snails From Thailand (Pulmonata: Ariophantidae: Macrochlamydinae)
Fig. 2. Sarika diadema from Khao Poo-Khao Ya National Park, Pattalung: A, shell morphology; B, body colour in live specimen. Sarika asamurai from Ban Takun, Suratthani: C, shell morphology; D, body colour in live specimen.
Fig. 3 in Taxonomic Re-Evaluation Of Sarika Diadema (Dall, 1897) And S. Asamurai (Panha, 1997), Two Endemic Land Snails From Thailand (Pulmonata: Ariophantidae: Macrochlamydinae)
Fig. 3. Genitalia and jaw of S. diadema and S. asamurai. Sarika diadema from Botanic Garden, Trang: A, whole genital system; B, interior structure of penis; C, single spermatophore with detail of spines between sperm sac and tail filament; D, arrangement of three spermatophores in gametolytic sac; E, jaw. Sarika asamurai from Klong Phanom National Park, Suratthani: F, whole genital system; G, internal structure of penis; H, spermatophore with detail of spines between sperm sac and tail filament and cross section of tail filament; I, jaw. Abbreviations used in the figures are listed under 'anatomical abbreviations' in the materials and methods
Fig. 4 in Discovery of an overlooked Helicarionid land snail (Helicarionidae: Durgellinae) from northeastern Thailand, with description of a new genus and new species, and note on radula morphology and genital system
Fig. 4. Aenigmatoconcha clivicola, new species, radula of paratype (NHMSU-0014). A, whole radula; B, close up view of left side of radula; C, close up view of central part of radula; D, close up view of left latero-marginal teeth; E, close up view of central and first lateral teeth.
Fig. 5 in Discovery of an overlooked Helicarionid land snail (Helicarionidae: Durgellinae) from northeastern Thailand, with description of a new genus and new species, and note on radula morphology and genital system
Fig. 5. Aenigmatoconcha clivicola, new species, genital system of paratype (NHMSU-0014) and schematic drawing. Abbreviations: ag, albumen gland; at, atrium; ep, epiphallus; erc, epiphallic retractor caecum; fo, free oviduct; gs, gametolytic sac; hd, hermaphroditic duct; p, penis; pr, penial retractor; pro, prostate gland; ut, uterus; v, vagina; vd, vas deferens. Photograph and illustration: Kitti Tanmuangpak.
Fig. 2 in Discovery of an overlooked Helicarionid land snail (Helicarionidae: Durgellinae) from northeastern Thailand, with description of a new genus and new species, and note on radula morphology and genital system
Fig. 2.Aenigmatoconcha clivicola, new species, in natural habitat. A, living snail; B, foraging behavior. Photographs: Kitti Tanmuangpak.
Fig. 1 in Discovery of an overlooked Helicarionid land snail (Helicarionidae: Durgellinae) from northeastern Thailand, with description of a new genus and new species, and note on radula morphology and genital system
Fig. 1. Map of Thailand and surrounding area showing the type locality of Aenigmatoconcha clivicola, new genus and new species, from Phu Pha Lom, Mueang District, Loei Province (star); type localities of six other nominal species of Sophina in Moulmein (square); localities of Chalepotaxis infantilis (circle); and localities of Chalepotaxis spadix (triangle) (numbers correspond to species in Table 2).
Fig. 2 in A new land snail, Arinia (Notharinia) micro (Caenogastropoda: Cyclophoroidea: Diplommatinidae), from a limestone karst in Perak, Peninsular Malaysia
Fig. 2. SEM images of Arinia (Notharinia) micro Marzuki & Foon, new species, holotype (BOR/MOL 6227). A, sub-frontal view of the holotype; B, top whorl of the holotype; C, Radial ribs and spiral ridges on the surface of the holotype shell. Abbreviations: PA = Parietal side of the aperture, IC = Internal constriction, DRR = Dense radial ribs, LRR = Loose radial ribs, SU = Suture, TL = teleoconch, PR = protoconch, RR = Radial rib, SR = Spiral ridges.
Fig. 1 in A new land snail, Arinia (Notharinia) micro (Caenogastropoda: Cyclophoroidea: Diplommatinidae), from a limestone karst in Perak, Peninsular Malaysia
Fig. 1. Shells of Arinia (Notharinia) micro Marzuki & Foon, new species. A–E, Holotype (BOR/MOL 6227): A, right lateral view; B, frontal view; C, apertural view; D, left lateral view; E. bottom view; F. paratype 1 (BOR/MOL 6228/1); G, paratype 2 (BOR/MOL 6228/2).
Text-fig. 7. Steinkerns of the land snail Arabicolaria omanensis eroding from indurated dark green-brown sands of Bed C above the Omanitherium type locality (the pen is 14.5 cm long). in Large Mammals From The Rupelian Of Oman - Recent Finds
Text-fig. 7. Steinkerns of the land snail Arabicolaria omanensis eroding from indurated dark green-brown sands of Bed C above the Omanitherium type locality (the pen is 14.5 cm long).
Text-fig. 3. Stratigraphic section through part of the Ashawq Formation at the Omanitherium type locality, Dhofar Governorate, Oman. Beds A–D are indurated cliff-forming strata identified in the accompanying field photographs (Textfigs 4, 5). Note the increase in marine influence as one ascends through the section, the fauna in Beds A and B being dominated by freshwater molluscs and land snails, with few brackish water specimens, whereas the biota in Bed D is frankly marine with a single specimen of the freshwater snail Pila. Bed C yielded Vermetus, oysters and sponges, but also contains abundant land snails and a low diversity of freshwater gastropods. in Large Mammals From The Rupelian Of Oman - Recent Finds
Text-fig. 3. Stratigraphic section through part of the Ashawq Formation at the Omanitherium type locality, Dhofar Governorate, Oman. Beds A–D are indurated cliff-forming strata identified in the accompanying field photographs (Textfigs 4, 5). Note the increase in marine influence as one ascends through the section, the fauna in Beds A and B being dominated by freshwater molluscs and land snails, with few brackish water specimens, whereas the biota in Bed D is frankly marine with a single specimen of the freshwater snail Pila. Bed C yielded Vermetus, oysters and sponges, but also contains abundant land snails and a low diversity of freshwater gastropods.
Figure 1 in Mitochondrial DNA diversity and taxa delineation in the land snails of the Iberus gualtieranus (Pulmonata, Helicidae) complex
Figure 1. Images of the three morphotypes of the Iberus gualtieranus complex. A, Iberus gualtieranus, with a keeled, flattened shell and closed umbilicus. B, Iberus alonensis, with a globose and non-umbilicated shell. C, Iberus campesinus, with a rounded, umbilicated shell and an expanded peristome. Scale bar: 2 cm.
Figure 4 in Mitochondrial DNA diversity and taxa delineation in the land snails of the Iberus gualtieranus (Pulmonata, Helicidae) complex
Figure 4. Neighbour-joining (NJ) tree of the Iberus gualtieranus complex for the combined data set of the cytochrome oxidase subunit I (COI) and 16S rRNA genes. Bootstrap values under NJ (1000 replicates), MrBayes, and maximum parsimony are shown at each node (NJ/BA/MP)> 70%. G1, A2, C3, A4, A5, and A6 are the six major clades obtained. Subclades are indicated with lower case letters (a, b, c).
Figure 5 in Mitochondrial DNA diversity and taxa delineation in the land snails of the Iberus gualtieranus (Pulmonata, Helicidae) complex
Figure 5. The molecular phylogeny of cytochrome oxidase subunit I (COI) (left) and 16S rRNA (right) by neighbourjoining (NJ) analyses. Bootstrap values under NJ (1000 replicates), MrBayes, and maximum parsimony are given at each node (NJ/BA/MP)> 70%. For abbreviations, see the legend to Figure 4.
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