Integrated Principles of Zoology 16th Edition by Cleveland Hickman,Susan Keen,Allan Larson,David Eisenhour,Helen I'Anson, Larry Roberts

Exercise 4

Make a cladogram that includes the following groups of fishes: chondrosteans, elasmobranchs, hagfishes, holocephalans, lampreys, lungfishes, teleosts. Add the following synapomorphies to the diagram: claspers, cranium, endochondral bone, fleshy fins, jaws, vertebrae.