taxonID	type	description	language	source
513E52FB313A54B6A1730860B44EB5BB.taxon	description	Figs 1, 2, 3, 4, 5 A, 6, 7	en	Cai, Mao-Rong, Tan, Qi-Hong, Zou, Jie-Xin (2021): A new species of freshwater crab of the genus Nanhaipotamon Bott, 1968 (Crustacea, Decapoda, Brachyura, Potamidae) from Longhai, Fujian Province, China. ZooKeys 1062: 11-30, DOI: http://dx.doi.org/10.3897/zookeys.1062.71171, URL: http://dx.doi.org/10.3897/zookeys.1062.71171
513E52FB313A54B6A1730860B44EB5BB.taxon	materials_examined	Other specimens examined. 9 ♂♂ (28.1 x 22. 6 mm, 25.3 x 20.8 mm, 22.9 x 18.9 mm, 22.8 x 18.9 mm, 22.8 x 18.9 mm, 22.3 x 18.8 mm, 22.3 x 18.8 mm, 21.4 x 17.4 mm, 21.4 x 17.1 mm), same locality data as for holotype, 10 Aug. 2020, Mao-Rong Cai and Jie-Xin Zou leg, ZZCDC 613204 to 613208, TDRC 002101 to 002104; 6 ♀♀ (26.4 x 22.2 mm, 23.4 x 18.9 mm, 21.6 x 17.7 mm, 21.2 x 16.8 mm, 21.2 x 16.2 mm, 18.4 x 15.2 mm), same locality data as for preceding, ZZCDC 613213 to 613215, TDRC 002105 to 002107.	en	Cai, Mao-Rong, Tan, Qi-Hong, Zou, Jie-Xin (2021): A new species of freshwater crab of the genus Nanhaipotamon Bott, 1968 (Crustacea, Decapoda, Brachyura, Potamidae) from Longhai, Fujian Province, China. ZooKeys 1062: 11-30, DOI: http://dx.doi.org/10.3897/zookeys.1062.71171, URL: http://dx.doi.org/10.3897/zookeys.1062.71171
513E52FB313A54B6A1730860B44EB5BB.taxon	diagnosis	Diagnosis. Carapace subquadrate, regions indistinct, anterolateral regions slightly rugose; cervical groove shallow and wide, H-shaped groove shallow; postorbital cristae sharp, almost fused with epigastric cristae (Figs 1 A, 3 A). External orbital angle triangular, separated from anterolateral margin by wide, concave notch; epibranchial teeth small, granular; anterolateral margin lined with conspicuous granules (Figs 1 A, 3 A). Third maxilliped merus with shallow median depression, exopod flagellum slightly longer than 1 / 3 exopod length (Fig. 2 D). Chelipeds strongly unequal; fingers with small gap when closed (Figs 1 A, 3 A). G 1 slender, inner distal angle semicircular, inner margin of terminal segment convex, distal margin flat, outer distal angle blunt, laterally bent outwards at angle of about 60 ° (Figs 4 A-D, 5 A). Female vulvae ovate, medium-sized, wholly within sternite 6, opening directed inward (Fig. 3 B).	en	Cai, Mao-Rong, Tan, Qi-Hong, Zou, Jie-Xin (2021): A new species of freshwater crab of the genus Nanhaipotamon Bott, 1968 (Crustacea, Decapoda, Brachyura, Potamidae) from Longhai, Fujian Province, China. ZooKeys 1062: 11-30, DOI: http://dx.doi.org/10.3897/zookeys.1062.71171, URL: http://dx.doi.org/10.3897/zookeys.1062.71171
513E52FB313A54B6A1730860B44EB5BB.taxon	description	Description. Carapace subquadrate, broader than long; dorsal surface smooth, distinctly convex longitudinally, with tiny pits; anterolateral region rugose. Branchial regions swollen (Figs 1 A, 3 A). Cervical groove shallow and wide; H-shaped groove between gastric and cardiac regions shallow (Figs 1 A, 3 A). Epigastric cristae conspicuous, separated by narrow gap; postorbital cristae sharp, almost fused with epigastric cristae (Figs 1 A, 3 A). Front distinctly deflexed, margin ridged in dorsal view. External orbital angle triangular, separated from anterolateral margin by wide, concave notch. Epibranchial tooth small, granular. Anterolateral margin distinctly cristate, lined with approximately 20 granules (Figs 1 A, 3 A). Posterolateral surface smooth, with inconspicuous oblique striae, converging towards posterior carapace margin (Figs 1 A, 3 A). Orbits large; supraorbital, infraorbital margins cristate. Sub-orbital regions covered with granules (Fig. 1 B); pterygostomial regions covered with large rounded granules; sub-hepatic regions covered with striae (Fig. 1 B). Posterior margin of epistome with median triangle, lateral margin sinuous (Fig. 1 B). Third maxilliped merus about 1.2 times as broad as long, trapezoidal, with median depression; ischium about 1.3 times as long as broad, rectangular, with distinct median sulcus; exopod reaching approximately 1 / 4 of merus length, exopod flagellum slightly longer than 1 / 3 exopod length (Fig. 2 D). Chelipeds strongly unequal. Merus cross-section trigonal, inner-lower margin crenulated. Carpus surface weakly wrinkled, with longitudinal depression and sharp spine at inner-distal angle with spinule at base. Palm of larger chela about 1.3 times as long as high. Movable finger (dactylus) slightly shorter than the immovable finger (pollex). Inner margin of fingers with rounded, blunt teeth; fingers forming small gap when closed (Figs 1 A, 3 A). Ambulatory legs slender, second leg longest, merus 0.5 - 0.6 times as long as carapace length; last leg with propodus 2.1 times as long as broad, slightly shorter than dactylus. Dactylus gently curved, with sharp spines on the surface (Figs 2 C, 3 A). Male thoracic sternum smooth, pitted (Fig. 2 A). Sternites 1, 2 completely fused to form triangular structure; sternites 2,3 separated by visible suture; sternites 3, 4 fused without obvious suture (Fig. 2 A). Male sterno-pleonal cavity relatively deep, exceeding imaginary line connecting posterior edges of cheliped coxae (Fig. 2 B). Median longitudinal suture of sternites 7, 8 deep and long. Tubercle of abdominal lock positioned at mid-length of sternite 5 (Fig. 2 B). Female vulvae ovate, medium-sized, wholly within sternite 6, opening directed inward (Fig. 3 B). Male abdomen triangular; somites 4 - 6 gradually narrowed longitudinally, lateral margins slightly convex; somite 6 about 2.2 times as wide as long; telson about 1.4 times as wide as long (Fig. 2 A). G 1 slender, tip of terminal segment reaches beyond pleonal locking tubercle (Fig. 2 B), subterminal segment about 2.4 times as long as terminal segment (Fig. 4 A). Inner distal angle semicircular, inner margin of terminal segment convex, distal margin flat, outer distal angle blunt, bent outwards at angle of about 60 ° (Figs 4 A-D, 5 A). G 2 subterminal segment about 1.9 times length of distal segment (Fig. 4 E).	en	Cai, Mao-Rong, Tan, Qi-Hong, Zou, Jie-Xin (2021): A new species of freshwater crab of the genus Nanhaipotamon Bott, 1968 (Crustacea, Decapoda, Brachyura, Potamidae) from Longhai, Fujian Province, China. ZooKeys 1062: 11-30, DOI: http://dx.doi.org/10.3897/zookeys.1062.71171, URL: http://dx.doi.org/10.3897/zookeys.1062.71171
513E52FB313A54B6A1730860B44EB5BB.taxon	etymology	Etymology. The new species is named after the county where is located, Longhai County, Zhangzhou City, Fujian Province, China.	en	Cai, Mao-Rong, Tan, Qi-Hong, Zou, Jie-Xin (2021): A new species of freshwater crab of the genus Nanhaipotamon Bott, 1968 (Crustacea, Decapoda, Brachyura, Potamidae) from Longhai, Fujian Province, China. ZooKeys 1062: 11-30, DOI: http://dx.doi.org/10.3897/zookeys.1062.71171, URL: http://dx.doi.org/10.3897/zookeys.1062.71171
513E52FB313A54B6A1730860B44EB5BB.taxon	distribution	Distribution. Longhai County, Zhangzhou City, Fujian Province, China.	en	Cai, Mao-Rong, Tan, Qi-Hong, Zou, Jie-Xin (2021): A new species of freshwater crab of the genus Nanhaipotamon Bott, 1968 (Crustacea, Decapoda, Brachyura, Potamidae) from Longhai, Fujian Province, China. ZooKeys 1062: 11-30, DOI: http://dx.doi.org/10.3897/zookeys.1062.71171, URL: http://dx.doi.org/10.3897/zookeys.1062.71171
