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Fig. 7 in Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species

Fig. 7. Shells of Aenigmatoconcha spp. A–D. A. sumonthai Tumpeesuwan & Tumpeesuwan, 2018. A–B. Specimen CUMZ 7922 from the type locality. C –D. Specimen CUMZ 7937 from the type locality showing the calcareous epiphragm with a small perforation (white arrows). Only shell (C) and living (D) specimens in both lateral and ventral views. E–F. A. eunetis Pholyotha & Panha sp. nov. E. Holotype CUMZ 7931. F. Paratype CUMZ 7933 from Uthai Thani Province.

Fig. 5 in Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species

Fig. 5. Genital system and mantle lobes of Aenigmatoconcha clivicola Tumpeesuwan & Tumpeesuwan, 2017, specimen CUMZ 7929 from the type locality. A. Mantle lobes. B. General view of genitalia; inset showing flagellum encircled with a loose tissue before clearing it out. C. Internal structure of penis. D. Internal structure of epiphallus and epiphallic caecum. White arrow indicates the junction between penis and epiphallus.

Fig. 4 in Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species

Fig. 4. Shells of Aenigmatoconcha spp. A–B. A. clivicola Tumpeesuwan & Tumpeesuwan, 2017, specimen CUMZ 7928 from the type locality (A) and specimen CUMZ 7930 from Loei Province (B). C–F. A. mitis (Pfeiffer, 1863) comb. nov., syntypes NHMUK ex. Cuming collection (C), specimen CUMZ 7921 from Phetchaburi Province (D), specimen CUMZ 7687 from Kanchanaburi Province (E), and specimen CUMZ 7885 from Nakhon Sawan Province (F).

Fig. 3 in Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species

Fig. 3. Schematic drawing of living species of Aenigmatoconcha Tumpeesuwan & Tumpeesuwan, 2017, emphasizing the relative size, position and arrangement of mantle lobes (two shell lobes and three dorsal lobes).

Fig. 2 in Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species

Fig. 2. Maximum likelihood tree of Aenigmatoconcha Tumpeesuwan & Tumpeesuwan, 2017 based on the COI gene dataset. Numbers on nodes indicate the ML bootstrap values (left) and Bayesian posterior probabilities (right) values. Pictures of living snails are not to scale.

Fig. 1 in Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species

Fig. 1. Geographic distribution of four species of Aenigmatoconcha Tumpeesuwan & Tumpeesuwan, 2017 based on specimens examined herein.

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Fig. 3 in Further And Further East: Steppe Land Snail, Xerolenta Obvia (Gastropoda, Geomitridae), Expands Its Range In Ukraine

Fig. 3. Shells of X. obvia with an atypically dark colored upper part from Western Ukraine: A — Sosulivka, Ternopil Region; B — Romaniv, Lviv Region; C — Lviv. Scale bars 5 mm.

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Fig. 1 in Further And Further East: Steppe Land Snail, Xerolenta Obvia (Gastropoda, Geomitridae), Expands Its Range In Ukraine

Fig. 1. Xeropicta derbentina (A, B) and Xerolenta obvia (C–E) from the Slovianskyi Kurort Regional Landscape Park, Donetsk Region: 1 — stylophores, 2 — swollen basal part of stylophore. Scale bars 5 mm for A–D, 1 mm for E.

Fig. 26 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 26. Species illustrated for comparative purposes: (A–C) Tropidophora moulinsii, holotype of Cyclostoma moulinsii Grateloup, 1840, 'Madagascar', max. diameter 33.1 mm, NHMUK 1907.11.22.12; (D–F) Tropidophora thesauri Fischer-Piette, 1949, Orangea, Diego Suarez [= Antsiranana] district, max. diameter 38.0 mm, NMSA L8438; (G–I) Tropidophora reticulata, one of three syntypes of Cyclostoma reticulatum (Adams & Reeve, 1850), 'Madagascar', max. diameter 15.1 mm, NHMUK 1874.12.11.231; (J–L) Kalidos hova, syntype of Nanina hova Odhner, 1919, Catsèpe, Madagascar, max. diameter 24.4 mm (SMNH).

Fig. 23 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 23. Kalidos maryannae sp. n.: (A–C) holotype, max. diameter 27.3 mm, height 17.7 mm, AMS C.474168; (D–J) paratypes, NMSA L8470/T2904: (D) specimen with bands of intermediate strength, max. diameter 29.3 mm; (E) specimen with broad brown bands and low spire, max. diameter 27.0 mm; (F) specimen spire of intermediate height, max. diameter 28.3 mm; (G, H) fresh subadult with unfaded colour pattern, max. diameter 24.8 mm; (I) large specimen with additional ⅛ whorl of growth, max. diameter 29.3 mm; (J) juvenile showing angular periphery, max. diameter 15.2 mm; (K) holotype, portion of last adult whorl showing sculpture of growth-lines and spiral threads.

Fig. 20 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 20. Ampelita namerokoensis Fischer-Piette, 1952, genitalia, NMSA L8442: (A) entire reproductive tract; (B) external view of penial complex; (C) penis opened longitudinally to show internal folds and raised papilla at insertion of epiphallus. Abbreviations: ag – albumen gland, bc – bursa copulatrix, bcd – bursa copulatrix duct, ep – epiphallus, ga – genital atrium, hd – hermaphrodite duct, od – oviduct, p – penis, pf – folds lining penis lumen, pp – penis papilla, pr – prostate, prm – penial retractor muscle, v – vagina, vd – vas deferens.

Fig. 18 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 18. Ampelita milloti Fischer-Piette, 1952, Tsingy Beanka, st'n 16/06, max. diameter 24.8 mm, NMSA L7127.

Fig. 17 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 17. Ampelita beanka sp. n., A. milloti Fischer-Piette, 1952 and A. namerokoensis Fischer-Piette, 1952, protoconch morphology and teleoconch microsculpture: (A, B) A. beanka, protoconch diameter 4.1 mm, st'n R04/09, respectively paratype, NMSA L8504/T2983, and holotype, AMS C.474166; (C, D) A. milloti, protoconch diameter 4.4 mm, both st'n 07/09, NMSA L8502; (E, F) A. namerokoensis, protoconch diameter 3.5 mm, respectively st'n 18/06, NMSA L8439, and st'n 03/06, NMSA L7038.

Fig. 15 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 15. Ampelita beanka sp. n.: (A–C) holotype, max. diameter 17.7 mm, height 8.0 mm, AMS C.474166; (D) specimen with less strongly shouldered whorls, max. diameter 19.1 mm, st'n 07/09, paratype, NMSA L8501/T2981; (E–F) specimens of the same size and collected from the same station R01/09, showing the differing extent to which the suture descends below the shoulder, max. diameter 17.1 mm, paratypes, NMSA L8507/T2982.

Fig. 14 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 14. Ampelita lindae sp. n.: (A–C) holotype, max. diameter 30.5 mm, height 12.6 mm, AMS C.474167; (D) holotype, microsculpture one quarter whorl prior to outer lip, scale bar = 2.5 mm; (E–G) paratype, max. diameter 29.0 mm, height 12.0 mm, NMSA L8468/T2903.

Fig. 13 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 13. Ampelita decaryi Fischer-Piette, 1952: (A–C) typical specimen, max. diameter 40.7 mm; (D–F) specimens showing variation in shell proportions and in relative width of supra-peripheral spiral bands [max. diameter: D, 39.4 mm; E, 38.0 mm; F, 40.9 mm]; (G) subfossil, max. diameter 43.0 mm. (A–F) Antsingimavo, st'n 04/06, NMSA L7090; (G) Kasijy Forest, Kelifely Plateau, st'n 08/05, NMSA L7010.

Fig. 22. Kalidos griffithshauchleri Emberton, 2002 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 22. Kalidos griffithshauchleri Emberton, 2002, genitalia, NMSA L7191: (A) lower portion of reproductive tract – gonad, albumen gland and bursa copulatrix missing; (B) upper part of penis, opened longitudinally to show well-developed penial verge extending from epiphallus. Abbreviations: bcd – bursa copulatrix duct, ep – epiphallus, f – flagellum, ga – genital atrium, p – penis, ps – penis sheath, pv – penial verge, prm – penial retractor muscle, sod – sperm-oviduct, v – vagina, vb – boss on penial verge, vc – cleft in penial verge, vd – vas deferens.

Fig. 11. Clavator griffithsjonesi Emberton, 1999 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 11. Clavator griffithsjonesi Emberton, 1999, genitalia, NMSA L7236: (A) entire reproductive tract (minus ovotestis); (B) penis opened longitudinally to show internal folds and pore at insertion of epiphallus. Abbreviations: ag – albumen gland, bc – bursa copulatrix, bcd – bursa copulatrix duct, ep – epiphallus, epp – epiphallus pore, f – flagellum, ga – genital atrium, hd – hermaphrodite duct, p – penis, pf – folds lining penis lumen, prm – penial retractor muscle, sod – spermoviduct, v – vagina, vd – vas deferens.

Fig. 25 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 25. Living animals from Tsingy Beanka: (A) Acroptychia bathiei Fischer-Piette & Bedoucha, 1965, st'n 13/06, shell diameter 23.2 mm, NMSA L7315; (B) Tropidophora humbug sp. n., st'n 12/06, shell diameter 28.3 mm, paratype, NMSA L7204/T2984; (C) Tropidophora secunda Fischer-Piette & Bedoucha, 1965, st'n 03/06, shell diameter approx. 19.0 mm; (D) Clavator griffithsjonesi Emberton, 1999, st'n 12/06, shell height 94.8 mm, NMSA L7192; (E) Ampelita milloti Fischer-Piette, 1952, st'n 07/09, shell diameter 19.2 mm, NMSA L8502; (F) Ampelita namerokoensis Fischer-Piette, 1952, st'n 12/06, shell diameter 20.3 mm, NMSA L8442; (G) Kalidos griffithshauchleri Emberton, 2002, st'n 12/06, shell diameter approx. 60 mm; (H) Kalidos maryannae sp. n., st'n 12/06, shell diameter 22.5 mm, paratype, NMSA L7193/T2944.

Fig. 9 in New species of land snails (Mollusca: Gastropoda) from two isolated karst formations in central western Madagascar: Tsingy Beanka and Antsingimavo, with additional notes on other regional endemics

Fig. 9. Tropidophora sericea sp. n. and T. chavani: (A–C) T. sericea, holotype, Tsingy Beanka, max. diameter 37.3 mm, height 18.9 mm, AMS C.474166; (D, E) adult teleoconch sculpture of T. sericea (holotype) and T. chavani (NMSA L8447) respectively, scale bars = 2.5 mm.