The animal kingdom (overview) Parazoa (subkingdom) Porifera Mesozoa simple endoparasites (50 species) Eumetazoa All other animals Ediacarian fauna (Australia) Burgess shale (Canada) Classification criteria embryology biochemistry geneticsParazoa
Organization on tissue level Porifera - Vase sponges Epidermal cells Porocytes Choanocytes Amoebocytes Osculum Spicules calcarious silicate spongin Sexual reproduction ciliated swimming larvae Assexual reproduction gemmulesEumetazoa
Cnidaria Radial symmetry Forms Polyp Medusa Tissues Ectoderm Epidermis Cnidoblasts nematocysts Mesoglea Contractile fibers Nerve fiber network Amoeboid cells Endoderm Nutritive cells Sensory receptors Gastrovascular cavity Larvae - planula Hydrozoa Hydra Obelia Man-of-war Scyphozoa Jellyfish Anthozoa Corals Sea anemone Ctenophora Comb jelliesAcoelomates
Platyhelminthes Tissues Endoderm Mesoderm Ectoderm Organ level structure Bilateral symmetry Turbellaria Planaria Organ systems Nervous Digestive Excretory Reproductive Trematoda Liver fluke Schistosoma Cestoda Tapeworm Nemertines (Rhychocoela) Ribbon wormsPseudocoelomates
Nematoda Ascaris Hookworm Trichina (Trichonella) Acanthocephala Spiny-headed worms RotiferaCoelomates
Protostomes vs. deuterostomes Mollusks Characteristics Torshion Mantle and mantle cavity Visceral mass Foot Radula Larval development - trochophore Monoplacophores Neopilina Polyplacophores Chitons Scaphopods Bivalves Gastropods Cephalopods Annelids - segmented worms Polychaetes Sandworms Tube worms Hirudineans Leeches Oligochaetes Earthworms Nervous system Circulatory system Digestive system Muscular system Reproductive system Arthropods Characteristics Chitinous exoskeleton Jointed appendages Organ systems Respiratory Circulatory Nervous Excretory Chilopoda Centipedes Diplopoda Millipedes Crustacea Crabs, lobster and creyfish, shrimp, etc. Insecta - approximately 30 orders metamorphosis partial complete Diversity and adaptationsDeuterostomes
Echinoderms Water vascular system Dermal branchiae Asteriodea - Sea stars Ophiuroidea - Brittle stars Echinoidea - Sand dollars and sea urchins Crinoidea - Sea lillies Holothuroidea - Sea cucumbers Hemichordata Acorn worms Chordata Characteristics Notachord Dorsal nerve cord Gill slits Myotomes Post anal tail Subphyla Cephalochordata Urochordata Vertebrata Classes of vertebrates Ostracoderms - extinct Placoderms - extinct Agnatha - lamprey Chondrichthyes cartilaginous fish Osteichthyes bony fish buoyancy control Amphibians frogs and salamanders Reptiles lizards, snakes, turtles, dinosaurs Aves - Birds Homeothermic Mammals Subclasses of mammals Monotremes - platypus Marsupials Placentals Orders of placentals Insectivores Chiroptera - bats Carnivora Rodentia Edentata Perissodactyla Artiodactyla Proboscidea Cetacea Lagomorpha Primates