Fig. 12From: New insights into the evolution of portunoid swimming crabs (Portunoidea, Heterotremata, Brachyura) and the brachyuran axial skeletonExamples showing character 12, which is concerned with the absence or presence of a transverse sternal ridge from interosternite 6/7 to the anterior end of the median plate in axial skeletons seen from dorsal. Number pair separated by backslash indicates thoracomeres between which the respective interosternite is situated. A Carcinidae (Portunoidea), B, C Portunidae (Portunoidea)Back to article page