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Fig. 3. A–D in The land snail genus Pterocyclos Benson, 1832 (Caenogastropoda: Cyclophoridae) from Thailand and Peninsular Malaysia, with descriptions of two new species
Fig. 3. A–D, Shell and operculum of Pterocyclos rupestris: A, lectotype UMZC 2359.1; B, paralectotype UMZC 2359.2; C, syntype of var. 3 UMZC 2359.3; D, operculum from same lot of the paralectotype (showing top, side and bottom views). E, F, Specimens of P. blandi from Langkawi Island, Perlis, Malaysia CUMZ 4582. G, Holotype UMZC 1032 of P. subalatus. H–J, Pterocyclos spaleotes: H, lectotype NMW 1955.158.01107, I, paralectotype NMW 1981.118.02705; J, topotype specimen CUMZ 4585. K, Holotype ZMA Moll. 135622 of P. umbraticus. L–P, Pterocyclos diluvium Sutcharit & Panha, new species: L, holotype CUMZ 4595, M, paratype CUMZ 4588, N, specimen from Gua Cenderawasih, Perlis, Malaysia CUMZ 4592; and O, P, specimens from Tam Tone-din, Kuan-Don, Satun, Thailand CUMZ 4590 showing a: O, uniform whitish shell; and P, dark brown colour patterns. Q–S, Pterocyclos frednaggsi Sutcharit & Panha, new species: Q, holotype CUMZ 4594; R, paratype CUMZ 4581; S, specimen from Gua Pulai, Gua Musang, Kelantan, Malaysia CUMZ 4597.
Fig. 2. A–C in The land snail genus Pterocyclos Benson, 1832 (Caenogastropoda: Cyclophoridae) from Thailand and Peninsular Malaysia, with descriptions of two new species
Fig. 2. A–C, General anatomy of Pterocyclos frednaggsi Sutcharit & Panha, new species, from Gua Musang, Kelantan, Malaysia CUMZ 4944, showing: A, right side of male with testis and external penis; B, right side of female with ovary and vaginal groove; C, left side of female with lung cavity and heart. D, E, Radula morphology of: D, Pterocyclos spaleotes, topotype specimen CUMZ 4585; E, Pterocyclos frednaggsi Sutcharit & Panha, new species, paratype CUMZ 4581.
Fig. 1 in The land snail genus Pterocyclos Benson, 1832 (Caenogastropoda: Cyclophoridae) from Thailand and Peninsular Malaysia, with descriptions of two new species
Fig. 1. Distribution map of Pterocyclos species examined in this study. The numbered locality names are detailed in Table 1. The approximate type locality of Pterocyclos subalatus, and Pterocyclos umbraticus, are indicated by locality numbers 3 and 5, respectively.
Fig. 10 in The land snail genus Macrochlamys Gray, 1847 from Thailand, with descriptions of five new species (Pulmonata: Ariophantidae)
Fig. 10. SEM images of the radula of Macrochlamys lemma new species (A–C) (paratype; CUMZ 7116), M. tanymentula new species (D–F) (paratype; CUMZ 7119), and M. kelantanensis Möllendorff, 1902 (G–I) (CUMZ 7125). Central tooth (indicated by 'C') with lateral teeth (A, D, G); lateral teeth with tricuspid marginal teeth transition (B, E, H); bicuspid marginal teeth (C, F, I).
Fig. 8 in The land snail genus Macrochlamys Gray, 1847 from Thailand, with descriptions of five new species (Pulmonata: Ariophantidae)
Fig. 8. Shells of Macrochlamys brunnea Möllendorff, 1902 (A), and M. kelantanensis Möllendorff, 1902 (B–D). A, Macrochlamys brunnea holotype (SMF 227090/1); B, M. kelantanensis holotype (SMF 227098); C, shell from Kedah, Malaysia (CUMZ 7130); D, shell from Chiang Rai, Thailand (CUMZ 7120).
Fig. 5 in The land snail genus Macrochlamys Gray, 1847 from Thailand, with descriptions of five new species (Pulmonata: Ariophantidae)
Fig. 5. Genitalia of Macrochlamys caverna new species (A, B), and M. lemma new species (C, D). A, B, Macrochlamys caverna paratype (CUMZ 7109): A, whole reproductive system; B, internal structure of penis with penial verge. C, D, Macrochlamys lemma paratype (CUMZ 7116): C, whole reproductive system; D, internal structure of penis with penial verge. Abbreviations: at, atrium; da, dart apparatus; drm, dart retractor muscle; e, epiphallus; ec, epiphallic caecum; fl, flagellum; fo, free oviduct; gd, gametolytic duct; gs, gametolytic sac; hf, head filament; ov, oviduct; p, penis; pc, penial caecum; pg, prostate gland; pp, penial pilaster; prm, penial retractor muscle; pv, penial verge; ss, sperm sac; tf, tail filament; v, vagina and vd, vas deferens. Asterisk indicates the tissue casting.
Fig. 6 in The land snail genus Macrochlamys Gray, 1847 from Thailand, with descriptions of five new species (Pulmonata: Ariophantidae)
Fig. 6. SEM images of the radula of Macrochlamys aurantia new species (A–C) (paratype; CUMZ 7103), M. coleus new species (D–F) (paratype; CUMZ 7106), and M. caverna new species (G–I) (paratype; CUMZ 7109). Central tooth (indicated by 'C') with lateral teeth (A, D, G); lateral teeth with tricuspid marginal teeth transition (B, E, H); bicuspid marginal teeth (C, F, I).
Fig. 2 in The land snail genus Macrochlamys Gray, 1847 from Thailand, with descriptions of five new species (Pulmonata: Ariophantidae)
Fig. 2. Living snails of Macrochlamys spp. from Thailand. A, Macrochlamys aurantia new species, paratype (CUMZ 7103), Thong Pha Phum, Kanchanaburi, shell width about 15 mm; B, M. coleus new species, paratype (CUMZ 7106), Sai Yok, Kanchanaburi, shell width about 15 mm; C, M. caverna new species, paratype (CUMZ 7109), Tha Wung, Lopburi, shell width about 17 mm; D, M. lemma new species, paratype (CUMZ 7116), Ban Mi, Lopburi, shell width about 15 mm; E, M. tanymentula new species, paratype (CUMZ 7119), Thong Pha Phum, Kanchanaburi, shell width about 10 mm; F, M. kelantanensis (CUMZ 7125), Lam Kaen, Phang-Nga, shell width about 20 mm.
Fig. 7 in The land snail genus Macrochlamys Gray, 1847 from Thailand, with descriptions of five new species (Pulmonata: Ariophantidae)
Fig. 7. Shells of Macrochlamys lemma new species (A, B), and M. tanymentula new species (C, D). A, Macrochlamys lemma holotype (CUMZ 7114); B, paratype (CUMZ 7115); C, M. tanymentula holotype (CUMZ 7117); D, paratype (CUMZ 7118).
Fig. 1 in The land snail genus Macrochlamys Gray, 1847 from Thailand, with descriptions of five new species (Pulmonata: Ariophantidae)
Fig. 1. Schematic drawing of the external features and mantle terminology of Macrochlamys. Abbreviations: ant-ldl, anterior left dorsal lobe; cf, caudal foss; ch, caudal horn; lsl, left shell lobe; post-ldl, posterior left dorsal lobe; rdl, right dorsal lobe; rsl, right shell lobe.
Fig. 3 in The land snail genus Macrochlamys Gray, 1847 from Thailand, with descriptions of five new species (Pulmonata: Ariophantidae)
Fig. 3. Shells of Macrochlamys aurantia new species (A, B), M. coleus new species (C, D), and M. caverna new species (E, F). A, Macrochlamys aurantia holotype (CUMZ 7101); B, paratype (CUMZ 7102); C, M. coleus holotype (CUMZ 7104); D, paratype (CUMZ 7105); E, M. caverna holotype (CUMZ 7107); F, paratype (CUMZ 7108).
Fig. 5 in Five new species of the land snail genus Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from northeastern Thailand, with note on genitalia and radula morphology of Landouria diplogramma (Möllendorff, 1902)
Fig. 5. Illustrations of the genital system of Landouria spp. from northeastern Thailand. A. Landouria circinata sp. nov., paratype (NHMSU-00024). B. L. tuberculata sp. nov., paratype (NHMSU-00026). C. L. trochomorphoides sp. nov., paratype (NHMSU-00028). D. L. chloritoides sp. nov., paratype (NHMSU-00030). E. L. elegans sp. nov., paratype (NHMSU-00033). F. L. diplogramma (Möllendorff, 1902) comb. nov. (NHMSU-00034). Internal sculpture of a = flagellum; b = penis; c = vagina. Scale bars = 10 mm.
Fig. 2 in Five new species of the land snail genus Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from northeastern Thailand, with note on genitalia and radula morphology of Landouria diplogramma (Möllendorff, 1902)
Fig. 2. Bayesian majority-rule consensus tree summarizing the phylogenetic relationships of species of Landouria Godwin-Austen, 1918 based on concatenated COI and 16S sequences. Numbers at nodes indicate branch support based on posterior probability (BI) / bootstrapping (ML) / bootstrapping (NJ). # indicates branches that received <50% ML, NJ bootstrap support. Scale bar = 0.5 substitutions/site.
Fig. 3 in Five new species of the land snail genus Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from northeastern Thailand, with note on genitalia and radula morphology of Landouria diplogramma (Möllendorff, 1902)
Fig. 3. External shell morphology of Landouria spp. from northeastern Thailand. A. Landouria circinata sp. nov., holotype (NHMSU-00023). B. L. tuberculata sp. nov., holotype (NHMSU-00025). C. L. trochomorphoides sp. nov., holotype (NHMSU-00027). D. L. chloritoides sp. nov., holotype (NHMSU-00029). E. L. elegans sp. nov., holotype (NHMSU-00032). F. L. diplogramma (Möllendorff, 1902) comb. nov. (NHMSU-00034). Scale bar = 10 mm.
Fig. 1 in Five new species of the land snail genus Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from northeastern Thailand, with note on genitalia and radula morphology of Landouria diplogramma (Möllendorff, 1902)
Fig. 1. Schematic drawings of shell indicating how the number of whorls was counted and how the measurements were taken. Abbreviations: AH = aperture height; AW = aperture width; SH = shell height; SW = shell width; UW = umbilicus width.
Fig. 4 in Five new species of the land snail genus Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from northeastern Thailand, with note on genitalia and radula morphology of Landouria diplogramma (Möllendorff, 1902)
Fig. 4. Living adults of Landouria spp. from northeastern Thailand. A. Landouria circinata sp. nov. B. L. tuberculata sp. nov. C. L. trochomorphoides sp. nov. D. L. chloritoides sp. nov. E. L. elegans sp. nov. F. L. diplogramma (Möllendorff, 1902) comb. nov. Scale bars = 10 mm.
Fig. 9 in Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species
Fig. 9. Genital system of Aenigmatoconcha eunetis Pholyotha & Panha sp. nov., paratype CUMZ 7933 from Uthai Thani Province. A. General view of genitalia. B. Internal structure of penis; inset showing penial sculpture. C. Internal structure of epiphallus and epiphallic caecum. White arrow indicates the junction between the penis and epiphallus.
Fig. 10 in Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species
Fig. 10. Radula morphology of Aenigmatoconcha spp. A. A. clivicola Tumpeesuwan & Tumpeesuwan, 2017, specimen CUMZ 7929 from Loei Province. B. A. mitis (Pfeiffer, 1863) comb. nov., specimen CUMZ 7687 from Kanchanaburi Province. C. A. sumonthai Tumpeesuwan & Tumpeesuwan, 2018, specimen CUMZ 7922 from Chumphon Province. D. A. eunetis Pholyotha & Panha sp. nov., paratype CUMZ 7933 from Uthai Thani Province. Central tooth in yellow. Scale bars: A–C = 100 μm; D = 50 μm.
Fig. 8 in Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species
Fig. 8. Genital system of Aenigmatoconcha sumonthai Tumpeesuwan & Tumpeesuwan, 2018, specimen CUMZ 7922 from the type locality. A. General view of genitalia; inset showing flagellum encircled with a loose tissue before clearing it out. B. Internal structure of penis; inset showing penial sculpture. C. Internal structure of epiphallus and epiphallic caecum. White arrow indicates the junction between the penis and epiphallus.
Fig. 6 in Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species
Fig. 6. Genital system of Aenigmatoconcha mitis (Pfeiffer, 1863) comb. nov., specimen CUMZ 7687 from Kanchanaburi Province. A. General view of genitalia. B. Internal structure of penis, epiphallus, and epiphallic caecum; inset showing penial sculpture. White arrow indicates the junction between the penis and epiphallus.
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Allen Brain Atlas
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