taxonID	type	description	language	source
67C45D865B9A5924A67F0302904ED4F6.taxon	description	Figs 2, 7 C	en	Lu, Yuan-Biao, Zhang, Yi-Xuan, Zou, Jie-Xin (2023): The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai & Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China. ZooKeys 1166: 155-173, DOI: http://dx.doi.org/10.3897/zookeys.1166.101737, URL: http://dx.doi.org/10.3897/zookeys.1166.101737
67C45D865B9A5924A67F0302904ED4F6.taxon	materials_examined	Material examined. China • 4 ♂♂ (18.40 x 16.34 mm, 20.26 x 18.40 mm, 21.64 x 18.60 mm, 19.26 x 17.04 mm); Yangtaishan Forest Park, Shenzhen, Guangdong Province; 22.6587 ° N, 113.9837 ° E; July 2022; Sheng Yu leg.; NCU MCP 434001 - 434004 • 1 ♂ (25.84 x 22.76 mm); same collection data as above; NCU MCP 434101 • 3 ♀♀ (26.34 x 23.58 mm, 28.84 x 24.38 mm, 24.31 x 20.95 mm); same collection data as above; NCU MCP 434102 - 434104.	en	Lu, Yuan-Biao, Zhang, Yi-Xuan, Zou, Jie-Xin (2023): The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai & Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China. ZooKeys 1166: 155-173, DOI: http://dx.doi.org/10.3897/zookeys.1166.101737, URL: http://dx.doi.org/10.3897/zookeys.1166.101737
67C45D865B9A5924A67F0302904ED4F6.taxon	diagnosis	Diagnosis. Carapace gently convex, regions indistinct. Cervical groove shallow, indistinct; H-shaped groove depressed and distinct (Fig. 2 A). Epigastric cristae weak, postorbital cristae flat, indistinct. External orbital angle triangular, with about 5 small granules. Epibranchial tooth sharp, distinctly separated with external orbital angle by V-shaped gap. Anterolateral margin of carapace cristate, with about 12 granules (Fig. 2 A). Maxilliped 3 exopod reaching nearly 1 / 3 of merus length, with long flagellum (Fig. 2 C). Chelipeds (pereiopod 1) strongly unequal (Fig. 2 A, B, D). G 1 slender, subterminal segment about 1.1 times as long as terminal segment; 2 lobes of terminal segment strongly unequal, dorsal lobe longitudinally extended, oval shaped, ventral lobe sharp and short, reaching 3 / 7 of terminal segment (Figs 2 E, 7 C).	en	Lu, Yuan-Biao, Zhang, Yi-Xuan, Zou, Jie-Xin (2023): The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai & Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China. ZooKeys 1166: 155-173, DOI: http://dx.doi.org/10.3897/zookeys.1166.101737, URL: http://dx.doi.org/10.3897/zookeys.1166.101737
67C45D865B9A5924A67F0302904ED4F6.taxon	distribution	Distribution. China: Shenzhen of Guangdong Province (present record) and Hong Kong.	en	Lu, Yuan-Biao, Zhang, Yi-Xuan, Zou, Jie-Xin (2023): The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai & Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China. ZooKeys 1166: 155-173, DOI: http://dx.doi.org/10.3897/zookeys.1166.101737, URL: http://dx.doi.org/10.3897/zookeys.1166.101737
6582241EC66250D6B9E686CAF90C8FA4.taxon	description	Figs 3, 4, 5, 6, 7 A, 8	en	Lu, Yuan-Biao, Zhang, Yi-Xuan, Zou, Jie-Xin (2023): The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai & Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China. ZooKeys 1166: 155-173, DOI: http://dx.doi.org/10.3897/zookeys.1166.101737, URL: http://dx.doi.org/10.3897/zookeys.1166.101737
6582241EC66250D6B9E686CAF90C8FA4.taxon	materials_examined	Other material. China • 7 ♂♂ (21.96 x 19.12 mm, 13.36 x 11.93 mm, 15.76 x 13.18 mm, 17.34 x 14.99 mm, 17.26 x 14.94 mm, 17.93 x 14.91 mm, 20.73 x 17.62 mm); same collection data as for holotype; NCU MCP 434202 - 434208 • 8 ♂♂ (14.99 x 12.90 mm, 9.48 x 8.65 mm, 9.61 x 8.54 mm, 9.81 x 8.91 mm, 8.71 x 7.53 mm, 8.82 x 7.77 mm, 9.74 x 7.38 mm, 10.42 x 8.79 mm); Guangxi Zhuang Autonomous Region, Yulin City, Rong County, Silaochong, small stream; 22.8263 ° N, 110.6065 ° E; November 2018; Jie-Xin Zou et al. leg.; NCU MCP 416001 - 416008.	en	Lu, Yuan-Biao, Zhang, Yi-Xuan, Zou, Jie-Xin (2023): The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai & Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China. ZooKeys 1166: 155-173, DOI: http://dx.doi.org/10.3897/zookeys.1166.101737, URL: http://dx.doi.org/10.3897/zookeys.1166.101737
6582241EC66250D6B9E686CAF90C8FA4.taxon	diagnosis	Diagnosis. Carapace subquadrate, regions indistinct; dorsal surface gently convex, anterolateral region weakly rugose. Cervical groove shallow and wide; H-shaped groove shallow (Figs 3 A, 5 A). Epigastric cristae distinct, separated from postorbital cristae by narrow gap; epibranchial region slightly depressed; mesogastric region gently convex. External orbital angle triangular, distinctly separated from anterolateral margin by wide notch. Anterolateral margin of carapace distinctly cristate, lined with approximately 20 granules (Figs 3 A, 5 A). Maxilliped 3 exopod reaching nearly 1 / 2 of merus length, with long flagellum, slightly longer than width of merus (Fig. 4 B). Chelipeds (pereiopod 1) strongly unequal in males, subequal in females (Figs 3 A, 4 A, 5 A). G 1 slender, subterminal segment about 1.7 times as long as terminal segment; 2 lobes of terminal segment strongly unequal, dorsal lobe longitudinally extended, oval shaped, ventral lobe blunt, reaching 1 / 2 of terminal segment (Figs 6 A-D, 7 A). Female vulvae ovate, medium-sized, occupying anterior 2 / 3 length of sternite 6 (Fig. 5 B).	en	Lu, Yuan-Biao, Zhang, Yi-Xuan, Zou, Jie-Xin (2023): The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai & Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China. ZooKeys 1166: 155-173, DOI: http://dx.doi.org/10.3897/zookeys.1166.101737, URL: http://dx.doi.org/10.3897/zookeys.1166.101737
6582241EC66250D6B9E686CAF90C8FA4.taxon	description	Description. Carapace subquadrate, nearly 1.2 times as wide as long; surface generally smooth, regions indistinct; dorsal surface slightly convex, with tiny pits, anterolateral region weakly rugose. Cervical groove shallow and wide; H-shaped groove shallow. Front gently deflexed; frontal margin slightly rimmed, weakly bilobed in dorsal view (Figs 3 A, 5 A). Epigastric cristae low and weak, separated from postorbital cristae by narrow gap; postorbital cristae laterally expanded, not fused with epibranchial tooth. Epibranchial region gently depressed; mesogastric region gently convex. External orbital angle bluntly triangular, distinctly separated from anterolateral margin by V-shaped wide gap (Figs 3 A, 5 A). Epibranchial tooth distinct, bluntly angular. Anterolateral margin of carapace distinctly cristate, lined with approximately 20 granules; bent inward posteriorly. Posterolateral surface smooth, with oblique striae, converging towards posterior carapace margin (Figs 3 A, 5 A). Orbits large; supraorbital and infraorbital margins cristate. Sub-orbital, pterygostomial, subhepatic regions covered with striae. Epistome posterior margin narrow longitudinally; median lobe triangular, lateral margins sinuous (Fig. 3 B). Maxilliped 3 exopod reaching nearly 1 / 2 of merus length, with long flagellum, slightly longer than width of merus. Merus subrectangular, 2 times as wide as long. Ischium subtrapezoidal, about 1.4 times as long as wide, with distinct sulcus (Fig. 4 B). Chelipeds (pereiopod 1) strongly unequal in males, subequal in females. Merus trigonal in cross section. Carpus surface gently depressed, with spine at inner distal angle and spinule at base in both males and females. Palm of lager chela about 1.3 - 1.5 times as long as high in males, 1.3 - 1.6 times in females. Dactylus of larger chela 0.6 - 1.0 times as long as palm in males, practically same proportion in females. Inner margin of fingers lined with granular teeth; fingers of lager chela leaving small gap while smaller one without gap when closed in both males and females (Figs 3 A, 4 A, 5 A). Ambulatory legs (pereiopod 2 - 5) slender, with setae; pereiopod 3 longest, merus 0.5 - 0.6 times as long as carapace length. Pereiopod 5 propodus about 2.0 times as long as broad in both males and females, 0.8 - 0.9 times as long as dactylus; dactylus gently curved (Figs 3 A, 5 A). Male thoracic sternum generally smooth, pitted; sternite 1 triangular; sternite 2 - 3 fused without visible sutures. Male sternopleonal cavity relatively deep, exceeding imaginary line connecting posterior edges of cheliped coxae base. Median longitudinal suture of sternites 7, 8 deep. Tubercle of abdominal lock positioned at approaching mid-length of sternite 5. Sutures between sternites in female indistinct (Fig. 4 C, D). Female vulvae ovate, medium-sized, occupying anterior 2 / 3 length of sternite 6 (Fig. 5 B). Male pleon and telson triangular; pleonal somites 3 - 6 gradually narrowed longitudinally, lateral margins forming gently concave line with thoracic sternum; pleonal somite 6 about 2.2 times as wide as long; telson about 1.3 times as wide as long (Fig. 4 C). Female pleon and telson broadly ovate (Fig. 5 B). G 1 slender, tip of terminal segment exceeding beyond pleonal locking tubercle and suture between thoracic sternites 4 and 5 (Fig. 4 D). Subterminal segment about 1.7 times as long as terminal segment; edges of dorsal lobe curled; 2 lobes of terminal segment strongly unequal, dorsal lobe longitudinally extended, oval, ventral lobe blunt, reaching 1 / 2 length of terminal segment (Fig. 6 A-D). G 2 slender, longer than G 1 (Fig. 6 A, E).	en	Lu, Yuan-Biao, Zhang, Yi-Xuan, Zou, Jie-Xin (2023): The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai & Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China. ZooKeys 1166: 155-173, DOI: http://dx.doi.org/10.3897/zookeys.1166.101737, URL: http://dx.doi.org/10.3897/zookeys.1166.101737
6582241EC66250D6B9E686CAF90C8FA4.taxon	etymology	Etymology. The new species is named Sinolapotamon cirratum sp. nov. because of the curled edges of the dorsal lobe of the G 1. In the Latin, ' cirratus' means ' curled'.	en	Lu, Yuan-Biao, Zhang, Yi-Xuan, Zou, Jie-Xin (2023): The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai & Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China. ZooKeys 1166: 155-173, DOI: http://dx.doi.org/10.3897/zookeys.1166.101737, URL: http://dx.doi.org/10.3897/zookeys.1166.101737
6582241EC66250D6B9E686CAF90C8FA4.taxon	distribution	Distribution. China: Guangxi Zhuang Autonomous Region: Rong County, Yulin City.	en	Lu, Yuan-Biao, Zhang, Yi-Xuan, Zou, Jie-Xin (2023): The systematic position of Cryptopotamon anacoluthon (Kemp, 1918), with the description of a new species of Sinolapotamon Tai & Sung, 1975 (Crustacea, Decapoda, Brachyura, Potamidae) from southern China. ZooKeys 1166: 155-173, DOI: http://dx.doi.org/10.3897/zookeys.1166.101737, URL: http://dx.doi.org/10.3897/zookeys.1166.101737
