1 Science of Zoology and Evolution of Animal Diversity 2 Animal Ecology 3 Animal Architecture 4 Taxonomy and Phylogeny of Animals 5 Protozoan Groups 6 Sponges: Phylum Porifera 7 Radiate Animals: Cnidarians and Ctenophores 8 Acoelomate Bilateral Animals: Flatworms, Ribbon Worms, and Mesozoans 9 Gnathiferans and Smaller Lophotrochozoans 10 Molluscs 11 Annelids and Allied Taxa 12 Smaller Ecdysozoans 13 Arthropods 14 Chaetognaths, Echinoderms and Hemichordates 15 Vertebrate Beginnings: The Chordates 16 Fishes 17 The Early Tetrapods and Modern Amphibians 18 Amniote Origins and Nonavian Reptiles 19 Birds 20 Mammals
Cleve Hickman is Professor Emeritus at Washington and Lee University, Lexington, VA. He received his Ph.D. in Zoology from the University of British Columbia, did research in animal physiology for eight years, and taught zoology for over 30 years. He's made over 20 trips to the Galapagos Islands for research and as an instructor for student field trips Larry Roberts is currently teaching parasitology and marine biology at the University of Miami. He received his Ph.D. in Parasitology from Johns Hopkins University and is a coauthor of Foundations of Parasitology, 5/e. Past teaching affiliations include University of Massachusetts, Texas Tech University, and Florida International University. Dr. Roberts has authored numerous research articles and a title of related interest: Underwater World of Sport Diving. Susan Keen is Lecturer at the Section of Evolution and Ecology of University of California.