A cladogram (from Greek clados "branch" and gramma "character") is a diagram used in cladistics to show relations among organisms. Although traditionally such cladograms were generated largely on the basis of morphological characters, DNA and RNA sequencing data and computational...TRADITIONAL CLASSIFICATION CLADOGRAM Appendages Conical Shells Crab Barnacle Limpet Crab Barnacle Limpet Crustaceans Gastropod Molted exoskeleton Segmentation Tiny free-swimming larva Section 18-2 Traditional Classification Versus Cladogram Go to Section: Shows evolutionary relationships based on “shared derived characteristics” Cladistic ...