Invertebrates

INTRODUCTION CLASSIFICATION, SYSTEMATICS, PHYLOGENY ANIMAL ARCHITECTURE AND THE BAUPLAN CONCEPT ANIMAL DEVELOPMENT, LIFE HISTORIES, AND ORIGINS THE PROTISTA PHYLUM PORIFERA: THE SPONGES FOUR PHYLA OF UNCERTAIN AFFINITY PHYLUM CNIDARIA PHYLUM CTENOPHORA: THE COMB JELLIES PHYLUM PLATYHELMINTHES PHYLUM NEMERTEA: THE RIBBON WORMS BLASTOCOELOMATES AND OTHER PHYLA PHYLUM ANNELIDA: THE SEGMENTED WORMS SIPUNCULA AND ECHIURA THE EMERGENCE OF THE ARTHROPODS: ONYCHOPHORANS, TARDIGRADES, AND THE ARTHROPOD BAUPLAN PHYLUM ARTHROPODA: THE CRUSTACEA PHYLUM ARTHROPODA: THE HEXAPODA (INSECTS AND THEIR KIN) PHYLUM ARTHROPODA: THE MYRIAPODA (CENTIPEDES AND THEIR KIN) PHYLUM ARTHROPODA: THE CHELICERATES (SPIDERS AND THEIR KIN) PHYLUM MOLLUSCA THE LOPHOPHORATE PHYLA PHYLUM ECHINODERMATA OTHER DEUTEROSTOMES: CHAETOGNATHA, HEMICHORDATA, CHORDATA PERSPECTIVES ON INVERTEBRATE PHYLOGENY