taxonID	type	description	language	source
9014F97294E8694599653FD34D1E8104.taxon	materials_examined	Material examined. Holotype: TAIWAN - male (11.9 x 10.8 mm); Chiayi County, Jhongpu, Lunziding Canal; 23.44914 N 120.48227 E; 28 Jan. 2019, leg. J. - Y. Shy; under rocks near stream; NTOU F 10395. Paratypes: TAIWAN - 3 males (11.5 x 10.3 mm, 10.1 x 8.9 mm, 9.9 x 8.7 mm), 5 females (12.2 x 10.1 mm, 10.6 x 9.2 mm, 9.9 x 8.9 mm, 9.1 x 7.7 mm, 7.9 x 7.2 mm), 1 juvenile female (6.6 x 5.7 mm); same data as holotype; ZRC 2019.0513. 2 males (9.9 x 8.6 mm, 8.4 x 7.3 mm); Chiayi County, Jhongpu, Chilan River; 23.43744 N 120.48917 E; 21 Febr. 2019, leg. J. - Y. Shy; NTOU F 10396. 1 male (11.5 x 9.8 mm); Chiayi County, Jhongpu, branch of Chilan River; ca. 23.43744 N 120.48917 E; 22 March 2019; leg. J. - Y. Shy; NTOU F 10397. 7 males (7.8 x 6.5 mm - 12.2 x 11.2 mm), 5 females (9.3 x 7.8 mm - 11.4 x 10.0 mm), same locality as holotype; 23 March 2019; leg. J. - Y. Shy & H. - T. Lai; ZRC 2019.0514.	en	Shy, Jhy-Yun, Ng, Peter K. L. (2019): Geosesarma mirum, a new species of semi-terrestrial sesarmid crab (Crustacea, Decapoda, Brachyura) from central Taiwan. ZooKeys 858: 1-10, DOI: http://dx.doi.org/10.3897/zookeys.858.35198, URL: http://dx.doi.org/10.3897/zookeys.858.35198
9014F97294E8694599653FD34D1E8104.taxon	diagnosis	Diagnosis. Carapace quadrate, slightly wider than long or subequal, adult width to length ratio 1.10 - 1.21, lateral margins gently sinuous, gently diverging posteriorly (Fig. 2 A, B); dorsal surface with regions visible, anterior regions with small rounded granules on gastric regions, branchial regions with numerous striae (Fig. 2 A, B); front distinctly deflexed, frontal lobes broad, with subtruncate margins in dorsal view; postfrontal, postorbital cristae prominent, rugose (Fig. 2 A-C); external orbital tooth triangular to subtruncate, directed obliquely laterally, outer margin convex, shorter than inner margin, tip reaching lateral margin; second lateral tooth low, rounded, separated from external orbital tooth by deep notch (Fig. 2 A, B). Merus of third maxilliped subovate, subequal to ischium; exopod slender, reaching to just before edge of merus, with long flagellum (Fig. 4 A). Merus of cheliped with low ventral lobe with serrated margin, upper lobe relatively lower. Outer surface of palm of adult male covered with small rounded granules and striae; inner surface granulated, with distinct, high transverse granulated ridge; dorsal margin of dactylus with 11 or 12 low, non-chitinous tubercles on proximal two-thirds (Fig. 3). Ambulatory legs with relatively stout, short merus, with sharp subdistal spine on dorsal margin, surfaces rugose (Fig. 1 A). Part of male thoracic sternite 8 exposed when pleon closed. Male pleonal locking mechanism formed by expanded posterior edge of thoracic sternite 4. Male pleon triangular; somite 6 wide, with convex lateral margins; telson triangular, not recessed into distal margin of somite 6, margins convex (Figs 2 D, 4 B). G 1 relatively long, stout, gently curved outwards; outer margin of subdistal part of subterminal segment with subangular shelf-like structure (Fig. 4 C, D), distal chitinous part broad, tip spatuliform, margin uneven (Fig. 4 C-K). G 2 short, ca. a third length of G 1 (Fig. 4 L).	en	Shy, Jhy-Yun, Ng, Peter K. L. (2019): Geosesarma mirum, a new species of semi-terrestrial sesarmid crab (Crustacea, Decapoda, Brachyura) from central Taiwan. ZooKeys 858: 1-10, DOI: http://dx.doi.org/10.3897/zookeys.858.35198, URL: http://dx.doi.org/10.3897/zookeys.858.35198
9014F97294E8694599653FD34D1E8104.taxon	etymology	Etymology. The name is derived from the Latin for " surprise ", alluding to the unexpected discovery of this species in Taiwan.	en	Shy, Jhy-Yun, Ng, Peter K. L. (2019): Geosesarma mirum, a new species of semi-terrestrial sesarmid crab (Crustacea, Decapoda, Brachyura) from central Taiwan. ZooKeys 858: 1-10, DOI: http://dx.doi.org/10.3897/zookeys.858.35198, URL: http://dx.doi.org/10.3897/zookeys.858.35198
