Fig. 17From: New insights into the evolution of portunoid swimming crabs (Portunoidea, Heterotremata, Brachyura) and the brachyuran axial skeletonVariability in the shape of the junction plate cavity with examples showing character states concerned with the anterior extension of the junction plate (character 22). Number pair separated by backslash indicates thoracomeres between which the respective interosternite is situated. A Cancridae (Cancroidea), B Carcinidae (Portunoidea), C Geryonidae (Portunoidea), D, E Portunidae (Portunoidea). JP junction plate, JPCav junction plate cavityBack to article page