A review of the genus Speocarcinus Stimpson, 1859 (Crustacea: Brachyura: Xanthidae), with a key to its species and the description of one new species Author Brandão, Marianna Author Coelho-Filho, Petronio Alves Author Tavares, Marcos text Zootaxa 2012 3327 1 19 journal article 10.5281/zenodo.210554 52a60d20-f77c-4b17-b102-910e67444d24 1175-5326 210554 Speocarcinus lobatus Guinot, 1969 ( Figs. 2 E; 3D; 5D; 6D; 7E) Speocarcinus lobatus Guinot, 1969 : 710 . Speocarcinus lobatus — Felder 1973 : 70 ; Powers 1977 : 116 ; Abele & Kim 1986 : 55 ; Felder & Rabalais 1986 : 548 ; Camp et al . 1998 : 148 ; Ng et al . 2008: 201; Brandão et al . 2010 : 137 ; Lai et al . 2011 : 442 . Material examined. Holotype , male cl 16 mm , cw 12 mm ( USNM 101081 ), United States , Texas, Sabine Pass, W.G. Hewatt coll., vi.1956 . Gulf of Mexico , Florida, off st. Petersburg, R/V Indian Seal , st. 2209, 27 o52’30”N– 83o33’59”W , 13.viii. 1977 , 33 m: 1 ovig. female ( USNM 1074433), 1 juv. male ( USNM 1074432), 1 female ( USNM 1074434). Bryan Mound, off Freeport; 24o44’N – 095o15’W , st. 10A3A, 18.x. 1979 , 16 m, D.L. Felder det. 1985: 1 male , 1 female ( USNM 228461). Bryan Mound, off Port Aransas, 27o08’18”N – 097o17’24”W , R/V Longhorn , st. m10, 01 .xii. 1979, 15 m , D.L. Felder det. 1985: 2 females ( USNM 228462). Louisiana, Eugene I. Lease area, 2000 mi . north of platform, 28°41’51 N–091°37’21W, 27 m : 1 male cl 7.2 mm, cw 10.8 mm ( USNM 187191); 28o13’35”N – 091o41’05”W , st. 17s, 20.viii. 1978 , 72 m: 1 juv. male ( USNM 187190), 500 mi . north of Platform, 28o50’N – 091o27’W , st. 24c, 06.i. 1979 , 19 m: 1 juv. female ( USNM 187163). Bay Marchand Lease area, 500 mi . east of Platform, 29o02’50”N – 090o09’46”W , st. 2p, 13.i. 1979 , 12 m: 1 juv. female ( USNM 187185), 1 female and 1 male ( USNM 187184), 1 juv. male ( USNM 187188); 2000 mi . south of Platform, 29o02’50”N – 090o09’46”W , st. 2p, 13.i. 1979 , 12 m: 1 juv. female ( USNM 187187). South Timbalier Lease area, 500 mi . south of Platform, 28o40’02”N – 090o14’43”W , st. 3p, 09.i. 1979 , 29 m: 1 juv. female ( USNM 187182), 1 juv. male and 1 female ( USNM 187181), 1 juv. male ( USNM 187183), 1 juv. male ( USNM 187179), 1 juv. male ( USNM 187178), 1 juv. male ( USNM 187169), 1 juv. male ( USNM 187175), 1 juv. male ( USNM 187176), 1 juv. male ( USNM 187180), 1 juv. male ( USNM 187174); east of Platform, 28o34’09”N – 090o24’32”W , st. 4p, 10.i. 1979 , 38 m: 1 juv. male ( USNM 187173), 1 juv. female ( USNM 187172), 1 juv. male ( USNM 187167), 1 juv. female ( USNM 187168), st. 4p, 15.i. 1979 , 18 m: 2 juv. female ( USNM 187171); north of Platform, 28o53’N – 090o16’W , st. 22c, i. 1979, 21 m: 1 juv. female and 1 juv. male ( USNM 187165), 1 juv. female ( USNM 187164), 1 juv. female ( USNM 187166). West Delta Lease area, 2000 mi . north of Platform, 29o07’42”N – 089o41’25”W , st. 1p, 08.i. 1979 , 18 m: 1 juv. female ( USNM 187159), 1 juv. female ( USNM 187160), 1 juv. male ( USNM 187161), 1 juv. female ( USNM 187158), 1 juv. female and juv. male ( USNM 187162), 1 juv. male ( USNM 187156), 2 juv. male ( USNM 187157); 28o57’08”N – 089o41’02”W , st. 6s, 26.viii. 1978 , 47 m: 1 juv. male ( USNM 187192). West Delta Lease area, 500 mi . north of Platform, 28o48’34”N – 089o48’34”W , st. 7s, 26.viii. 1978 , 61 m: 1 juv. male ( USNM 187194), 1 juv. female ( USNM 187193). Type locality. Gulf of Mexico , Texas, Sabine Pass. Description. See Felder & Rabalais (1986) . Remarks . Speocarcinus lobatus was described in great detail by Felder & Rabalais (1986) . It mostly resembles young S. carolinensis and for the distinction between these species see under S. carolinensis . Distribution. Off Mississippi, Louisiana and Texas and the Gulf coast of Florida, between 6 and 65 m .