FIGURE 8. A–D in A review of the genus Speocarcinus Stimpson, 1859 (Crustacea: Brachyura: Xanthidae), with a key to its species and the description of one new species

FIGURE 8. A–D, Female thoracic sternum (abdomen not represented). A, Speocarcinus amazonicus Brandão, Tavares & Coelho-Filho, 2010, cl 7 mm, cw 10 mm (MZUSP 23655). B, Speocarcinus carolinensis Stimpson, 1859, cl 6 mm, cw 9 mm (USNM 180100). C, Speocarcinus dentatus n. sp., cl 4 mm, cw 7 mm (MZUSP 12628). D, Speocarcinus spinicarpus Guinot, 1969, cl 7 mm, cw 14 mm (USNM 127056). Note in A the female gonopore obliquely oriented in relation to median line of thoracic sternum. Scale bars: A–B, 2.5 mm; C–D, 2 mm.