Below is a simplified phylogenetic tree of vertebrates. The tree includes most extant groups of vertebrates, and at least one extinct taxon. Place the following taxa on the phylogeny, making sure to include ALL taxa for complete credit. The first one has been placed for you. A. Lamprey B. Aves (birds) C. Chondrichthyes mammals) D. Gymnophiona (caecilians) E. Monotremes tuataras) F. Dipnoi (lungfish) G. Actinopterygii (ray-finned fish) H. Anura (frogs) I. Crocodilians J. Urodela (salamanders) K. Testudines (turtles) L. Dinosauria (non-avian) M. Eutheria (placental N. Marsupials O. Lepidosauria (snakes, lizards, Page Break