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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 10.SEM images of Gudeodiscus shells. A protoconch of Gudeodiscus (Gudeodiscus) messageri raheemi Páll-Gergely & Hunyadi, ssp. n., Vn12-104, coll. HE B protoconch of Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888), Vn11-163, coll. HE C–D sculpture of Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887), Vn10-56, coll. HE E–F sculpture of Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (typical fallax specimen), Vn11-187, coll HE. Images: B. Páll-Gergely.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 11.Parietal (A, C, E, G, I, K, M, O–Q, S, V) and palatal (B, D, F, H, J, L, N, R, T–U, W–X) plicae and lamellae of Sicradiscus and Gudeodiscus species. A–B Sicradiscus mansuyi (Gude, 1908), 20081116C (two different specimens) C–F Gudeodiscus (Gudeodiscus) anceyi (Gude, 1901) C–D figures in Gude (1901a) E MNHN-IM-2012-2263, F GS22 G–J Gudeodiscus (Gudeodiscus?) hemmeni Páll-Gergely & Hunyadi, sp. n. G–H 2012/62, spec.1 I–J 2012/62, spec.2 K–P Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (typical gouldingi and anterides shells) K–L Plectopylis gouldingi (after Gude 1909) M–N Plectopylis anterides (after Gude 1909) O–P MNHN-IM-2012-2153 Q–X Gudeodiscus (Gudeodiscus) phlyarius (typical fallax and fallax var. major shells) Q–R Plectopylis fallax (after Gude 1909) S MNHN-IM-2012-2157 T–U MNHN-IM-2012-2132 (2 different specimens) V–W MNHN-IM-2012-2155/6 (“var. major”, two different specimens), X Vn11-187. Inner view: D, L, N, R; Outer view: B, F, H, J, T, U, W, X.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 12.Parietal (A, C, E, G–K, M, N, P–S, U, W) and palatal (B, D, F, L, P, T, V, X) plicae and lamellae of Gudeodiscus species. A–M Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) A–B Plectopylis phlyaria (after Gude 1901c) C–D Plectopylis moellendorffi (after Gude 1901c) E–F Vn10-49, G Vn09-24 H Vn10-56, I Vn9-16, spec.1 J Vn9-16, spec.2 K–M Plectopylis verecunda, MNHN 2012-2177 (3 different specimens) N–Q Gudeodiscus (Gudeodiscus) messageri messageri (Gude, 1909) N–O Plectopylis messageri (after Gude 1909) P MNHN-IM-2012-2162, Q MNHN-IM-2012-2165 R–V Gudeodiscus (Gudeodiscus) messageri raheemi ssp. n, R 20071116C, spec.1. S–T 20071116C, spec.2. U–V 20080509C W–X Vn10-104B. Inner views: B, D, F, O; Outer views: L, T, V, X.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 21.Reproductive anatomy of Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (typical fallax). Locality information: Lào Cai Province, ca. 3 km SW of Nhà Văn Hóa, 22°25.513'N, 104°12.194'E, leg. Hemmen, Ch. & J., 04.10.2011. A–B “Specimen1” C “Specimen2”. Scale represents 1 mm.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 22.Reproductive anatomy of Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887). Locality information: Lạng Sơn Province, ca. 10.6 km from Bình Gia to Lạng Sơn on road 1B, 21°53.639'N, 106°25.895'E, leg. Hemmen, Ch. & J., 01.04.2011. Scale represents 5 mm.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 28.Inner walls of the penis of Gudeodiscus Páll-Gergely, 2013 species. A Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (typical fallax specimen, for locality see Figure 21) B Gudeodiscus giardi giardi (Fischer, 1898) (for locality see Figure 19) C Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (for locality see Figure 22) D Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901) (for locality see Figure 17) E Gudeodiscus (Gudeodiscus) messageri raheemi Páll-Gergely & Hunyadi, ssp. n., 20080510A F–G Gudeodiscus (Gudeodiscus) villedaryi specimens collected at the same locality in two different dates: F November (2011/102) and G May (20090520A). All photos by B. Páll-Gergely.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 9.Shells (A–B) and apertural views (C–R) of Vietnamese Gudeodiscus, Sicradiscus and Halongella gen. n. species. A Gudeodiscus (Gudeodiscus?) suprafilaris (Gude, 1908), MNHN 24586 (holotype?) B Gudeodiscus (Gudeodiscus?) suprafilaris, 2011/81 C Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887), Vn11-156 D Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (typical “anterides/gouldingi”), MNHN-IM-2012-2164 E Gudeodiscus (Gudeodiscus) messageri messageri (Gude, 1909), MNHN-IM-2012-2215 F Gudeodiscus (Gudeodiscus?) hemmeni Páll-Gergely & Hunyadi, sp. n., Vn10-103A G Gudeodiscus (Gudeodiscus?) anceyi (Gude, 1901), GS22 H Sicradiscus mansuyi (Gude, 1908), 20081116C I Gudeodiscus (Gudeodiscus) giardi giardi (Fischer, 1898), 2011/81 J Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888), Vn11-151 K–L Gudeodiscus (Gudeodiscus) dautzenbergi (Gude, 1901), Vn10-44 M–N Halongella schlumbergeri (Morlet, 1886), MAA3 O Halongella fruhstorferi (Möllendorff, 1901), Vn11-171 P Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901), Vn10-120 Q Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901), 20090515C R Gudeodiscus (Gudeodiscus?) suprafilaris (Gude, 1908), 2011/81. All photos by B. Páll-Gergely except for Figure 9A (T. Deli). Scale represents 10 mm and refers to A and B.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 14.Parietal (A, C, E, G, H, J, L, M, O, Q, S, U, W, X) and palatal (B, D, F, I, K, N, P, R, T, V, Y) plicae and lamellae of Gudeodiscus and Halongella gen. n. species. A–G Gudeodiscus (Gudeodiscus) dautzenbergi (Gude, 1901) A–B Plectopylis dautzenbergi (after Gude 1901a) C–D Plectopylis persimilis Gude, 1901 (after Gude 1901a) E–F Vn10-44, G Vn10-44 H–N Halongella schlumbergeri (Morlet, 1886) H–I Plectopylis jovia (after Gude 1901b) J–K Plectopylis schlumbergeri (after Gude 1901b) L MNHN-IM-2012-2481 M–N holotype of Plectopylis hirsuta Möllendorff, 1901 (after Gude 1901c) O–R Halongella fruhstorferi (Möllendorff, 1901) O–P after Gude (1901c) Q–R Vn11-171 S–Y Gudeodiscus (Gudeodiscus?) suprafilaris (Gude, 1908) S–T after Gude (1908) U–V 2011/81, spec.1. W 2011/81, spec.2. X–Y Vn10-125. Inner views: B, D, F, I, K, N, P, T; Outer views: R, V, Y.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 41.Distribution of Gudeodiscus species. Legends: filled circle: Gudeodiscus (Gudeodiscus?) suprafilaris (Gude, 1908), triangle: Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901), empty square: Gudeodiscus (Gudeodiscus?) cyrtochilus (Gude, 1909).
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 39.Locations mentioned in literature on plectopylid taxonomy. 1 Muong-Bo 2 Phony-Tho 3 Trinh-Thuong 4 Muong-Hum 5 Nat-Son (Nhat Son) 6 Muong-Kong 7 Long-Ping 8 Pac-Kha 9 Ha-Giang 10 Tinh-Tuc 11 Cao-Bang 12 Déo-Ma-Phuc 13 Quang-Huyen 14 Ha-Lang 15 Cho-Ra 16 Bac-Khan 17 Nac-Ri 18 That-Khé 19 Cho-Moi 20 Lang-Son 21 Mansongebirge 22 Than-Moi 23 Bac-Ninh 24 Dong-Trieu 25 Bah-Mun 26 Kebao 27 Baie d’Along. The locations of “Col de Nuages” (Clouds Pass) could not be located. It is probably situated on Lao Kay Province, close to Muong-Hum.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 8.Shells of Vietnamese Gudeodiscus and Halongella gen. n. species. A Gudeodiscus (Gudeodiscus) giardi giardi (Fischer, 1898), MNHN 9946 (syntype of Plectopylis giardi) B Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888), SMF 9279 (lectotype of Plectopylis choanomphala) C Gudeodiscus (Gudeodiscus) villedaryi, NHMUK 1930.9.12.38 (holotype of Plectopylis villedaryi) D Gudeodiscus (Gudeodiscus) villedaryi, Vn11-152, coll PGB E Gudeodiscus (Gudeodiscus) dautzenbergi (Gude, 1901), MNHN 24603 (holotype) F Gudeodiscus (Gudeodiscus) dautzenbergi, MNHN 24602 (holotype of Plectopylis persimilis). Photos: T. Deli (A, E, F), S. Hof (B), H. Taylor (C) and B. Páll-Gergely (D). Scale represents 20 mm.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 35.SEM images of radulae of Gudeodiscus species. A, D, G, J, M show the middle part of the radula B, E, H, K, N show the central tooth and the first 2–3 pairs of laterals C, F, I, L, O show the marginals. A–C Gudeodiscus (Gudeodiscus) giardi giardi (Fischer, 1898) (for locality see Figure 19) D–F Gudeodiscus (Gudeodiscus) messageri raheemi Páll-Gergely & Hunyadi, ssp. n. (for locality see Figure 20) G–I Gudeodiscus (Gudeodiscus) multispira (Möllendorff, 1883), China, Guangxi, Qingshan, Qingshan Zhen, Lipu Xian, ca 250 m, 24°26.189'N, 110°20.008'E, leg. Nakahara, Y., Ohara, K., Okubo, K. & Otani, J. U., 12.11.2004. J–L Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887), Lạng Sơn Province, ca. km. 50 of road 1B, 10 km to Bình Gia, 21°53.911'N, 106°25.664'E, leg. Hemmen, Ch. & J., 01.04.2011. M–O Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888), (for locality see Figure 23). All photos by B. Páll-Gergely.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 40.Distribution of Gudeodiscus, Halongella gen. n. and Sicradiscus species. Legends: empty circle: Halongella schlumbergeri (Morlet, 1886), star (close to the circles): Halongella fruhstorferi (Möllendorff, 1901), empty triangle: Gudeodiscus (Gudeodiscus) dautzenbergi (Gude, 1901), filled triangle Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888), empty square: Gudeodiscus (Gudeodiscus) anceyi (Gude, 1901), filled circle: Sicradiscus mansuyi (Gude, 1908).
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 9.Shells (A–B) and apertural views (C–R) of Vietnamese Gudeodiscus, Sicradiscus and Halongella gen. n. species. A Gudeodiscus (Gudeodiscus?) suprafilaris (Gude, 1908), MNHN 24586 (holotype?) B Gudeodiscus (Gudeodiscus?) suprafilaris, 2011/81 C Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887), Vn11-156 D Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (typical “anterides/gouldingi”), MNHN-IM-2012-2164 E Gudeodiscus (Gudeodiscus) messageri messageri (Gude, 1909), MNHN-IM-2012-2215 F Gudeodiscus (Gudeodiscus?) hemmeni Páll-Gergely & Hunyadi, sp. n., Vn10-103A G Gudeodiscus (Gudeodiscus?) anceyi (Gude, 1901), GS22 H Sicradiscus mansuyi (Gude, 1908), 20081116C I Gudeodiscus (Gudeodiscus) giardi giardi (Fischer, 1898), 2011/81 J Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888), Vn11-151 K–L Gudeodiscus (Gudeodiscus) dautzenbergi (Gude, 1901), Vn10-44 M–N Halongella schlumbergeri (Morlet, 1886), MAA3 O Halongella fruhstorferi (Möllendorff, 1901), Vn11-171 P Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901), Vn10-120 Q Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901), 20090515C R Gudeodiscus (Gudeodiscus?) suprafilaris (Gude, 1908), 2011/81. All photos by B. Páll-Gergely except for Figure 9A (T. Deli). Scale represents 10 mm and refers to A and B.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 10.SEM images of Gudeodiscus shells. A protoconch of Gudeodiscus (Gudeodiscus) messageri raheemi Páll-Gergely & Hunyadi, ssp. n., Vn12-104, coll. HE B protoconch of Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888), Vn11-163, coll. HE C–D sculpture of Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887), Vn10-56, coll. HE E–F sculpture of Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (typical fallax specimen), Vn11-187, coll HE. Images: B. Páll-Gergely.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 13.Parietal (A, C, E, F, H, J, L, N, P, R, T, V, X) and palatal (B, D, G, I, K, M, O, Q, S, U, W, Y) plicae and lamellae of Gudeodiscus species. A–B Gudeodiscus (Veludiscus) emigrans emigrans (Möllendorff, 1901), holotype (after Páll-Gergely and Hunyadi 2013) C–D Gudeodiscus (Veludiscus) emigrans quadrilamellatus Páll-Gergely, 2013 (after Páll-Gergely and Hunyadi 2013) E–K Gudeodiscus (Gudeodiscus?) francoisi (Fischer, 1898) E–F holotype of Plectopylis lepida Gude, 1901 (after Gude 1901b), G MNHN-IM-2012-2311 H–I holotype of Plectopylis bavayi Gude, 1901 (after Gude 1901a) J–K Plectopylis francoisi (after Gude 1899b) L–U Gudeodiscus (Gudeodiscus) giardi giardi (Fischer, 1898) L Plectopylis giardi (after Gude 1899a) M Plectopylis giardi (after Gude 1899b) N–O Plectopylis congesta Gude, 1899 (after Gude 1899a); P–Q Vn10-69 R–S Vn10-59 T–U 2011/85 V–Y Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888) V–W holotype of Plectopylis (Endoplon) choanomphala Möllendorff, 1901 (after Gude 1901c) X–Y Vn10-47A. Inner views: D, F, I, K, M, O, Q, S, W, Y; Outer views: B, U.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 23.Reproductive anatomy of Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888). Locality information: Thái Nguyên Province, Ðình Cả NE 4 km, Phượng Hoàng cave, around the entrance of the cave, 365 m, 21°46.782'N, 106°07.189'E, leg. Hunyadi, A., 13.11.2011. Scale represents 5 mm.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 24.Reproductive anatomy of Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888), abnormal specimen. Locality information: Thái Nguyên Province, Võ Nhai District, Phú Thượng Commune, Phượng Hoàng Cave, Mỏ Gà Vill., ca 150 m, 21°46.836'N, 106°07.107'E, leg. Ohara, K., 20.05.2009. Scale represents 2 mm.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 28.Inner walls of the penis of Gudeodiscus Páll-Gergely, 2013 species. A Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (typical fallax specimen, for locality see Figure 21) B Gudeodiscus giardi giardi (Fischer, 1898) (for locality see Figure 19) C Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887) (for locality see Figure 22) D Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901) (for locality see Figure 17) E Gudeodiscus (Gudeodiscus) messageri raheemi Páll-Gergely & Hunyadi, ssp. n., 20080510A F–G Gudeodiscus (Gudeodiscus) villedaryi specimens collected at the same locality in two different dates: F November (2011/102) and G May (20090520A). All photos by B. Páll-Gergely.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 30.Calcareous claws found in pockets on the inner penial wall of Gudeodiscus and Halongella gen. n. species. A–C, F Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888) (for locality see Figure 23) D Gudeodiscus giardi giardi (Fischer, 1898) (for locality see Figure 19) E Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901) (for locality see Figure 19) G–I Halongella schlumbergeri (Morlet, 1886) (for locality see Figure 29A–B). The claws in case of Gudeodiscus (Gudeodiscus) fischeri and Halongella schlumbergeri were too fragile for dissecting out, therefore drawings are presented. All images by B. Páll-Gergely.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 32.Inner wall of the vagina of Halongella gen. n. and Gudeodiscus species. A–B Halongella fruhstorferi (Möllendorff, 1901), red circles indicate calcareous granules (for locality see Figure 25) C Gudeodiscus (Gudeodiscus) giardi giardi (Fischer, 1898) (for locality see Figure 19) D Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888) (for locality see Figure 24).
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 13.Parietal (A, C, E, F, H, J, L, N, P, R, T, V, X) and palatal (B, D, G, I, K, M, O, Q, S, U, W, Y) plicae and lamellae of Gudeodiscus species. A–B Gudeodiscus (Veludiscus) emigrans emigrans (Möllendorff, 1901), holotype (after Páll-Gergely and Hunyadi 2013) C–D Gudeodiscus (Veludiscus) emigrans quadrilamellatus Páll-Gergely, 2013 (after Páll-Gergely and Hunyadi 2013) E–K Gudeodiscus (Gudeodiscus?) francoisi (Fischer, 1898) E–F holotype of Plectopylis lepida Gude, 1901 (after Gude 1901b), G MNHN-IM-2012-2311 H–I holotype of Plectopylis bavayi Gude, 1901 (after Gude 1901a) J–K Plectopylis francoisi (after Gude 1899b) L–U Gudeodiscus (Gudeodiscus) giardi giardi (Fischer, 1898) L Plectopylis giardi (after Gude 1899a) M Plectopylis giardi (after Gude 1899b) N–O Plectopylis congesta Gude, 1899 (after Gude 1899a); P–Q Vn10-69 R–S Vn10-59 T–U 2011/85 V–Y Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888) V–W holotype of Plectopylis (Endoplon) choanomphala Möllendorff, 1901 (after Gude 1901c) X–Y Vn10-47A. Inner views: D, F, I, K, M, O, Q, S, W, Y; Outer views: B, U.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 6.Shells of Vietnamese Halongella gen. n. and Gudeodiscus species. A Halongella schlumbergeri (Morlet, 1886), MNHN 24582 (syntype of Helix (Plectopylis) schlumbergeri) B Halongella schlumbergeri, MNHN 24580 (syntype of Plectopylis jovia) C Halongella schlumbergeri, NHMUK 1922.8.29.52 (holotype of Plectopylis pilsbryana) D Halongella schlumbergeri, SMF 9277 (lectotype of Plectopylis hirsuta) E Gudeodiscus (Veludiscus) emigrans emigrans (Möllendorff, 1901), SMF 9256 (lectotype) F Gudeodiscus (Veludiscus) emigrans quadrilamellatus Páll-Gergely, 2013, HNHM 97468 (holotype). Photos E and F were already published in Páll-Gergely and Hunyadi (2013). Photos: T. Deli (A, B), H. Taylor (C), S. Hof (D), E. Neubert (E) and B. Páll-Gergely (F). Scales represent 10 mm; upper scale belongs to A–B, lower scale belongs to C–F.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 13.Parietal (A, C, E, F, H, J, L, N, P, R, T, V, X) and palatal (B, D, G, I, K, M, O, Q, S, U, W, Y) plicae and lamellae of Gudeodiscus species. A–B Gudeodiscus (Veludiscus) emigrans emigrans (Möllendorff, 1901), holotype (after Páll-Gergely and Hunyadi 2013) C–D Gudeodiscus (Veludiscus) emigrans quadrilamellatus Páll-Gergely, 2013 (after Páll-Gergely and Hunyadi 2013) E–K Gudeodiscus (Gudeodiscus?) francoisi (Fischer, 1898) E–F holotype of Plectopylis lepida Gude, 1901 (after Gude 1901b), G MNHN-IM-2012-2311 H–I holotype of Plectopylis bavayi Gude, 1901 (after Gude 1901a) J–K Plectopylis francoisi (after Gude 1899b) L–U Gudeodiscus (Gudeodiscus) giardi giardi (Fischer, 1898) L Plectopylis giardi (after Gude 1899a) M Plectopylis giardi (after Gude 1899b) N–O Plectopylis congesta Gude, 1899 (after Gude 1899a); P–Q Vn10-69 R–S Vn10-59 T–U 2011/85 V–Y Gudeodiscus (Gudeodiscus) villedaryi (Ancey, 1888) V–W holotype of Plectopylis (Endoplon) choanomphala Möllendorff, 1901 (after Gude 1901c) X–Y Vn10-47A. Inner views: D, F, I, K, M, O, Q, S, W, Y; Outer views: B, U.