Zoologists classify animals by: Kingdom Phylum Subphylum Class Order Family Genus Species Here is a simple classification chart that includes some common animals: Kingdom: Animalia Phylum: Protozoa Porifera Coelenterata Echinodermata Mollusca Annelida Arthropoda Chordata Subphylum of Chordata: Vertebrata (There are other subphylums but we will only study vertebrata.) Classes of Vertebrates: Aves (Birds) Reptilia (Reptiles) Amphibia (Amphibians) Osteichthyes (Bony fish) Chondrichthyes (Cartilaginous fish) Mammalia Orders of Mammalia:(These are a few) Sirenia: Manatees Cetacea: Dolphins Primates: Monkeys Rodentia: Rodents