Genus Buthoscorpio Werner, 1936

(Figs. 12, 16–40, 193, 421–422, 547)

= Stenochirus Karsch, 1892: 305–306, fig. 30, Pl. XXII; a junior homonym of Stenochirus Oppel, 1862 (Crustacea); Kraepelin, 1899: 39; Pocock, 1900: 32–33; Kraepelin, 1913: 131–132; Werner, 1934: 271; Vachon, 1982: 83–84, figs. 12–18, 84–85; Tikader & Bastawade, 1983: 152–153.

= Pocockius Francke, 1985: 13, 16 (syn. by Fet, 1997: 246).

Buthoscorpio Werner, 1936: 191; Fet, 1997: 246; Fet & Lowe, 2000: 90; Kovařík, 2009: 31; Javed et al., 2010: 5–10, figs. 1–8; Aswathi et al., 2015: 213– 218, figs. 1–5.

TYPE SPECIES. Stenochirus sarasinorum Karsch, 1892

DIAGNOSIS. Total length 30–52 mm. Sternum type 1, subpentagonal or subtriangular, roughly as wide as long, exhibiting horizontal compression. Pedipalps with trichobothrial pattern Aα; femur trichobothrium d 2 located dorsally, patella d 3 external to dorsomedian carina; chela with 3 Eb trichobothria on manus. Cheliceral fixed finger with two ventral accessory denticles. Movable finger of pedipalp chela longer than manus. Pectines with fulcra. Dentate margin of pedipalp chela movable finger with distinct granules divided into 10–11 linear rows, apical rows of 3–4 granules, and 3 terminal granules. Tergites I –VI smooth or finely granular, with one carina. Carapace smooth to finely granular without carinae, anterior edge with epistome present medially. Metasomal segments punctate, without stridulatory areas, without carinae except for dorsolateral carinae which may be developed. Telson vesicle punctate, subaculear tooth absent or weakly developed. Pedipalps, metasoma and telson glabrous. Legs III and IV with well developed, long tibial spurs; ventral aspect of tarsomere II with two rows of spiniform setae.

DISTRIBUTION. India, Sri Lanka.