Fig. 37From: New insights into the evolution of portunoid swimming crabs (Portunoidea, Heterotremata, Brachyura) and the brachyuran axial skeletonVariability in the degree of heterochely in Carcinus maenas (dorsal view). A Specimen showing moderate heterochely and heterodonty with right crusher chela being somewhat larger than the left and with molariform denticles, B specimen showing pronounced heterochely and heterodonty with left crusher chela being distinctly larger than the right and with molariform denticles, C specimen showing homochely and homodonty with no molariform denticlesBack to article page