Porifera . They are simple types of aquatic invertebrates. The word "Porifera" mainly refers to the pore bearers or pore bearing species. Animal Kingdom Project: Phylum Porifera (Ina Drake) The body shape is vase or cylinder-like, asymmetrical, or radially symmetrical. Systema Porifera: a guide to the classification of Sponges. Son animales sésiles, es decir, no se desplazan de un lugar a otro Porifera collection of the Italian National Antarctic Museum (MNA), with an updated checklist from Terra Nova Bay (Ross Sea). Having no digestive tract, localized sensory region, or true tissues, they are little more than a cluster of cells supported by a structure of spongin and spicules. A sponge is an animal that grows in one spot like most plants do. CLASSIFICATION OF PHYLUM PORIFERA What is porifera? - Quora Phylum Porifera: Gener...