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Fig. 20 in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 20. Hollow spine of the accessory penial gland (A–D), and penial papilla (E, F), Melayonchis siongkiati, Darwin, Northern Territory, Australia. A, Scale bar = 100 μm, [5878] (NTM P.59485); B, Scale bar = 100 μm, [5877] (NTM P.59484); C, Scale bar = 100 μm, [5875] (NTM P.59483); D, Spine tip, scale bar = 8 μm, same as C; E, Scale bar = 100 μm, same as A; F, Scale bar = 100 μm, same as B.

Fig. 8 in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 8. Live animals, Melayonchis eberlyi, dorsal (A–C) and ventral (D–F) views. A, Holotype, 40 mm long [950] (USMMC 00066); B, 30 mm long [6042] (USMMC 00067); C, 33 mm long [6044] (USMMC 00068); D, same as A; E, 25 mm long [6045] (USMMC 00069); F, same as B.

Fig. 7 in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 7. Habitats, Melayonchis eberlyi, unique site (type locality) where Melayonchis eberlyi was found and which corresponds to the stations 27 (in 2011), 262 (in 2016), and 263 (in 2016) (A, B). Old forest with tall Rhizophora trees, high in the tidal zone (ferns), in the educational mangrove preserve near Kuala Sepatang, Peninsular Malaysia.

Fig. 15. Radula, Melayonchis tillieri. A in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 15. Radula, Melayonchis tillieri. A, Rachidian and innermost lateral teeth, scale bar = 10 μm, [973] holotype (USMMC 00070); B, Right lateral teeth, scale bar = 20 μm, [5972] (USMMC 00074). Abbreviations: 1rlt, first, right, lateral tooth; 2rlt, second, right, lateral tooth; hlt, hook of lateral tooth; ilp, inner lateral protuberance; mc, median cusp of rachidian tooth; rt, rachidian tooth.

Fig. 13 in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 13. Live animals, Melayonchis tillieri, dorsal (A–D) and ventral (E–G) views. A, Holotype, 50 mm long [973] (USMMC 00070); B, 36 mm long [5957] (USMMC 00072); C, 36 mm long [5970] (USMMC 00073); D, 52 mm long [5972] (USMMC 00074); E, same as A; F, same as B; G, same as D.

Fig. 14 in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 14. External morphology, digestive system, and reproductive system, Melayonchis tillieri. Small arrows indicate the direction of the intestinal transport. Large arrows indicate the orientation of the transitional loop. A, Ventral, anterior view, scale bar = 5 mm, [5972] (USMMC 00074); B, Digestive system (type III, with a transitional loop at 12 o'clock), dorsal view, scale bar = 5 mm, holotype [973] (USMMC 00070); C, Digestive system (type III, with a transitional loop at 1 o'clock), dorsal view, scale bar = 2 mm, same as A; D, Posterior reproductive parts, scale bar = 4 mm, same as B; E, Anterior male copulatory parts, scale bar = 3 mm, same as B. Abbreviations: dd, deferent duct; ddg, dorsal lobe of digestive gland; ddt, deferent duct (by transparency); f, foot (pedal sole); fgm, female gland mass; h, hyponotum; hd, hermaphroditic duct; hg, hermaphroditic gland; i, intestine; mo, male opening; ol, oral lobe; ot, ocular tentacle; ov, oviduct; pdg, posterior lobe of the digestive gland; ppg, peripodial groove; ps, penial sheath; rg, rectal gland; rm, penial retractor muscle; rs, receptaculum seminis; sp, spermatheca; st, stomach; tp, transversal protuberance (on oral lobe); v, vestibule.

Fig. 19 in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 19. Radula, Melayonchis siongkiati, [5875] (NTM P.59483), Darwin, Northern Territory, Australia. A, Rachidian and innermost lateral teeth, scale bar = 20 μm; B, Right lateral teeth, scale bar = 20 μm. Abbreviations: 1rlt, first, right, lateral tooth; 2rlt, second, right, lateral tooth; hlt, hook of lateral tooth; ilp, inner lateral protuberance; mc, median cusp of rachidian tooth; rt, rachidian tooth.

Fig. 18 in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 18. Digestive system, and reproductive system, Melayonchis siongkiati, [5878] (NTM P.59485), Darwin, Northern Territory, Australia. Small arrows indicate the direction of the intestinal transport. Large arrows indicate the orientation of the transitional loop. A, Digestive system (type III, with a transitional loop at 4 o'clock), dorsal view, scale bar = 2 mm; B, Posterior reproductive parts, scale bar = 2 mm; C, Anterior male copulatory parts, scale bar = 2 mm. Abbreviations: ag, accessory penial gland; dd, deferent duct; ddg, dorsal lobe of digestive gland; fgm, female gland mass; hd, hermaphroditic duct; hg, hermaphroditic gland; i, intestine; ov, oviduct; pdg, posterior lobe of the digestive gland; ps, penial sheath; rg, rectal gland; rm, penial retractor muscle; rs, receptaculum seminis; sp, spermatheca; st, stomach; v, vestibule.

Fig. 11. Penial papilla, Melayonchis eberlyi. A in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 11. Penial papilla, Melayonchis eberlyi. A, Scale bar = 100 μm, [950] holotype (USMMC 00066); B, Scale bar = 100 μm, [6045] (USMMC 00069); C, Scale bar = 100 μm, [6042] (USMMC 00067); D, Tip of the papilla, scale bar = 30 μm, same as C.

Fig. 17 in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 17. Live animals, Melayonchis siongkiati, Darwin, Northern Territory, Australia, dorsal (A–C), ventral (D, G), and lateral (E, F) views. A, 33 mm long [5875] (NTM P.59483); B, 35 mm long [5877] (NTM P.59484); C, 28 mm long [5878] (NTM P.59485); D, same as C; E, same as A; F, same as B; G, same as A.

Fig. 10 in New species and new records of Melayonchis slugs (Gastropoda: Euthyneura: Pulmonata: Onchidiidae)

Fig. 10. Radula, Melayonchis eberlyi, [6042] (USMMC 00067). A, Rachidian and innermost lateral teeth, scale bar = 20 μm; B, Right lateral teeth, scale bar = 20 μm. Abbreviations: 1llt, first, left, lateral tooth; 1rlt, first, right, lateral tooth; 2llt, second, left, lateral tooth; 2rlt, second, right, lateral tooth; hlt, hook of lateral tooth; ilp, inner lateral protuberance; mc, median cusp of rachidian tooth; rt, rachidian tooth.

Fig. 5 in First verified record of the genus Landouria Godwin-Austen, 1918 from Thailand (Gastropoda: Stylommatophora: Camaenidae) with description of a new species

Fig. 5. Genital anatomy of Landouria strobiloides, new species, paratype (NHMSU-00018). pro = prostate gland, ut = uterus, vd = vas deferens, ep = epiphallus, ef = flagellum, p = penis, gs = gametolytic sac, v = vagina, fo = free oviduct.

Fig. 4 in First verified record of the genus Landouria Godwin-Austen, 1918 from Thailand (Gastropoda: Stylommatophora: Camaenidae) with description of a new species

Fig. 4. Radula morphology of Landouria strobiloides new species, paratype (NHMSU-00018). A, whole radula; B, close up view of widest part of radula; C, close up view of central part of radula; D, close up view of central and first lateral teeth; E, close up view of left side of radula; F, close up view of right side of radula.

Fig. 3 in First verified record of the genus Landouria Godwin-Austen, 1918 from Thailand (Gastropoda: Stylommatophora: Camaenidae) with description of a new species

Fig. 3. Empty shell of Landouria strobiloides, new species, holotype (NHMSU-00017). Photograph by: Benchawan Nahok.

Fig. 1 in First verified record of the genus Landouria Godwin-Austen, 1918 from Thailand (Gastropoda: Stylommatophora: Camaenidae) with description of a new species

Fig. 1. Approximate location of type localities of Landouria spp. and type localities of Landouria strobiloides, new species, from Suan Hin Pha Ngam, Loei Province (star in circle).

Fig. 3 in A First Record Of The Family Cerastidae In Thailand, With A Description Of A New Species (Pulmonata: Orthurethra: Cerastidae)

Fig. 3. Radula morphology. Rhachistia conformalis Sutcharit & Panha, new species (Paratype CUMZ 3797): A, central tooth with first to third lateral teeth; B, C, lateral teeth with bicuspid marginal teeth transition; D, outermost marginal teeth. Amimopina subangulatus (CUMZ 3798): E, central tooth with first to third lateral teeth; F, G, lateral teeth with bicuspid marginal teeth transition; H, outermost marginal teeth. The numbers indicate the order of the teeth and the letter 'C' in the images indicates the central tooth.

Fig. 2 in A First Record Of The Family Cerastidae In Thailand, With A Description Of A New Species (Pulmonata: Orthurethra: Cerastidae)

Fig. 2. Anatomy of Rhachistia conformalis Sutcharit & Panha, new species (Paratype CUMZ 3797): A, reproductive system; B, pallial system; C, genitalia of Amimopina subangulatus from Jed Saw Noi Waterfall, Saraburi (CUMZ 3798).

Fig. 1 in A First Record Of The Family Cerastidae In Thailand, With A Description Of A New Species (Pulmonata: Orthurethra: Cerastidae)

Fig. 1. Shell of Rhachistia sulphurea: A, lectotype NMW 1955.158.01155; B, paralectotype BMNH 1939.6.6.17. Shell of Rhachistia conformalis Sutcharit & Panha, new species: C, holotype CUMZ 3796; D, paratype CUMZ 3797. Shell of Amimopina subangulatus: E, lectotype BMNH 1986166; F, G, specimens from Jed Sao Noi Waterfall, Saraburi (CUMZ 3798, 3799). Rhachistia conformalis Sutcharit & Panha, new species: H, at type locality (shell height about 17 mm) CUMZ 3797. Amimopina subangulatus: I, at Jed Sao Noi Waterfall, Saraburi (shell height about 15 mm) CUMZ 3650.

Fig. 3 in First Record Of The Gebiidean Genus Axianassa Schmitt, 1924 (Crustacea: Decapoda: Gebiidea: Axianassidae) In The West Pacific, With Description Of A New Species From The South China Sea

Fig. 3. Axianassa sinica, new species. Holotype male, IOCAS R258A-5. A. left larger cheliped, outer view; B. left larger cheliped, inner view; C. right smaller cheliped, outer view. Scale = 1 mm.

Fig. 2 in First Record Of The Gebiidean Genus Axianassa Schmitt, 1924 (Crustacea: Decapoda: Gebiidea: Axianassidae) In The West Pacific, With Description Of A New Species From The South China Sea

Fig. 2. Axianassa sinica, new species. Holotype male, IOCAS R258A-5. A. carapace, dorsal view; B. telson and uropods, dorsal view; C. right maxilliped 3, outer view; D. pereopod 2, lateral view; E. pereopod 3, lateral view; F. pereopod 4, lateral view; G. pereopod 5, lateral view. Scale = 1 mm.