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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 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.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 42.Distribution of Gudeodiscus species. Legends: filled triangle: Gudeodiscus (Veludiscus) emigrans quadrilamellatus Páll-Gergely, 2013, empty circle: Gudeodiscus (Gudeodiscus) giardi giardi (Fischer, 1898), filled circle: Gudeodiscus (Gudeodiscus?) francoisi (Fischer, 1899), semi filled circle: co-occurrence of the latter two species.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 2.Shells of Vietnamese Sicradiscus and Gudeodiscus species. A Sicradiscus mansuyi (Gude, 1908), NHMUK 1907.2.20.19 (syntype) B Gudeodiscus (Gudeodiscus?) anceyi (Gude, 1901), Tonkin, Bac-Kan, leg. Messager, MNHN 24600 (syntype) C Gudeodiscus (Gudeodiscus?) hemmeni Páll-Gergely & Hunyadi, sp. n., 2012/61, HNHM 97458 (holotype) D Gudeodiscus (Gudeodiscus?) hemmeni, Vn10-103 E Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901), 20090519B, coll. PGB F Gudeodiscus (Gudeodiscus?) cyrtochilus (Gude, 1909), NHMUK 1922.8.29.59. (syntype). Photos: H. Taylor (A, F), T. Deli (B) and B. Páll-Gergely (C, D, E). Scale represents 10 mm.
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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 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 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 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 2.Shells of Vietnamese Sicradiscus and Gudeodiscus species. A Sicradiscus mansuyi (Gude, 1908), NHMUK 1907.2.20.19 (syntype) B Gudeodiscus (Gudeodiscus?) anceyi (Gude, 1901), Tonkin, Bac-Kan, leg. Messager, MNHN 24600 (syntype) C Gudeodiscus (Gudeodiscus?) hemmeni Páll-Gergely & Hunyadi, sp. n., 2012/61, HNHM 97458 (holotype) D Gudeodiscus (Gudeodiscus?) hemmeni, Vn10-103 E Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901), 20090519B, coll. PGB F Gudeodiscus (Gudeodiscus?) cyrtochilus (Gude, 1909), NHMUK 1922.8.29.59. (syntype). Photos: H. Taylor (A, F), T. Deli (B) and B. Páll-Gergely (C, D, E). Scale represents 10 mm.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 15.Parietal (A, C, E, F, H, J, L, N, O, Q) and palatal (B, D, G, I, K, M, P, R) plicae and lamellae of Gudeodiscus species. A–D Gudeodiscus (Gudeodiscus) infralevis (Gude, 1908) A–B holotype of Plectopylis infralevis (after Gude 1908) C–D Holotype of Plectopylis soror (after Gude 1908) E–G Gudeodiscus (Gudeodiscus?) cyrtochilus (Gude, 1909) E–F MNHN-IM-2012-2251 (two different specimens) G 2012/47 H–N Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901) H–I Plectopylis fischeri (after Gude 1901a) J–K 20090515C L–M Vn10-120 N MNHN-IM-2012-2241 O–R Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901) (identical with the holotype of tenuis) O–P after Gude (1901a) Q–R Vn10-28A (two different specimens). Inner views: B, D, I, M, P; Outer views: G, K, R.
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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 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 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 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 2.Shells of Vietnamese Sicradiscus and Gudeodiscus species. A Sicradiscus mansuyi (Gude, 1908), NHMUK 1907.2.20.19 (syntype) B Gudeodiscus (Gudeodiscus?) anceyi (Gude, 1901), Tonkin, Bac-Kan, leg. Messager, MNHN 24600 (syntype) C Gudeodiscus (Gudeodiscus?) hemmeni Páll-Gergely & Hunyadi, sp. n., 2012/61, HNHM 97458 (holotype) D Gudeodiscus (Gudeodiscus?) hemmeni, Vn10-103 E Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901), 20090519B, coll. PGB F Gudeodiscus (Gudeodiscus?) cyrtochilus (Gude, 1909), NHMUK 1922.8.29.59. (syntype). Photos: H. Taylor (A, F), T. Deli (B) and B. Páll-Gergely (C, D, E). Scale represents 10 mm.
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 31.Inner wall of the vagina of Sicradiscus and Gudeodiscus species. A Sicradiscus mansuyi (Gude, 1908), (for locality see Figure 27) B Gudeodiscus (Gudeodiscus) messageri raheemi Páll-Gergely & Hunyadi, ssp. n. (for locality see Figure 20) C Gudeodiscus (Gudeodiscus) phlyarius (Mabille, 1887), Vn11-157 D Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901) (for locality see Figure 17).
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Barna Páll-Gergely, András Hunyadi, Jonathan Ablett, Hào Văn Lương, Fred Naggs, Takahiro Asami
Zookeys
Figure 34.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 (Veludiscus) emigrans otanii Páll-Gergely & Hunyadi, 2013, China, Guangxi, Yizhou Shi, Aishan Xiang, Xiannuyan, ca 170 m, 24°29.292'N, 108°34.057'E, leg. Nakahara, Y., Ohara, K., Okubo, K. & Otani, J. U., 13.11.2004. D–F Gudeodiscus (Veludiscus) eroessi eroessi Páll-Gergely & Hunyadi, 2013, China, Guangxi, Guigang Shi, Guzhang Xiang, beyond Chuanshan village, ca 155 m, 23°20.848'N, 109°19.256'E, leg. Nakahara, Y., Ohara, K., Okubo, K. & Otani, J. U., 09.11.2004 G–I Gudeodiscus (Veludiscus) okuboi Páll-Gergely & Hunyadi, 2013, Guangxi, Guigang Shi, Guzhang Xiang, road to Wushan Xiang, ca 130 m, 23°21.178'N, 109°17.432'E, leg. Nakahara, Y., Ohara, K., Okubo, K. & Otani, J. U., 09.11.2004. J–L Gudeodiscus (Veludiscus) pulvinaris pulvinaris (Gould, 1859), China, Hong Kong Peak, leg. Miu Yeung, June 2013 M–O Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901), (for locality see Figure 17). 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 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 3.Shells of Vietnamese Gudeodiscus species. A Gudeodiscus (Gudeodiscus) fischeri (Gude, 1901), Vn10-120, coll. PGB B Gudeodiscus (Gudeodiscus) fischeri, MNHN 24579 (holotype of Plectopylis fischeri) C Gudeodiscus (Gudeodiscus) fischeri, MNHN 24587 (holotype of Plectopylis tenuis) D Gudeodiscus (Gudeodiscus?) infralevis (Gude, 1908), MNHN 24604 (holotype of Plectopylis infralevis) E Gudeodiscus (Gudeodiscus?) infralevis, MNHN 24585 (holotype of Plectopylis soror). Photos: B. Páll-Gergely (A) and T. Deli (B–E). Scale represents 10 mm.