FIGURE 6. A–F, Abdominal segments 1–5 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 6. A–F, Abdominal segments 1–5, ventro-posterior view. A, Speocarcinus amazonicus Brandão, Tavares & Coelho- Filho, 2010, holotype male cl 8 mm, cw 11 mm (MZUSP 23654). B, Speocarcinus carolinensis Stimpson, 1859, male cl 10 mm, cw 14 mm (USNM 180101). C, Speocarcinus dentatus n. sp., male holotype cl 11.5 mm, cw 22.5 mm (MZUSP 12615). D, Speocarcinus lobatus Guinot, 1969, male cl 5 mm, cw 10 mm (USNM 187191). E, Speocarcinus meloi D'Incao & Silva, 1991, holotype male cl 12 mm, cw 15.6 mm (MZUSP 9577). F, Speocarcinus spinicarpus Guinot, 1969, male cl 7 mm, cw 14 mm (USNM 127056). Note in C–D the abdominal segment 2 partially intercalated between edges of the abdominal segments 3–5. a2, abdominal segment 2; a3–5 abdominal segments 3 to 5 fused. St. 6–8, thoracic sternites 6 to 8. Scale bars: A–F, 2 mm.