Animal Diversity 7th Edition by Cleveland Hickman,Larry Roberts,Susan Keen ,Allan Larson,David Eisenhour

Exercise 9

Make a cladogram that includes the following groups of fishes: chondrosteans, elasmobranchs, hagfishes, holocephalans, lampreys, lungfi shes, teleosts. Add the following synapomorphies to the diagram: claspers, cranium, endochondral bone, fi ns with stout bones, jaws, teeth with keratin.