ORGANISMS: Organism Examples Identifying Characteristics Porifera Cnidaria Gastropods/Univalves: Mollusks Pelecypods/Bivalves: Cephalopods: Merostomata: Arthropods Crustaceans: Echinoderms Cartilaginous Fish (Shark)
ORGANISMS: Organism Examples Identifying Characteristics Porifera Cnidaria Mollusks Gastropods/Univalves: Pelecypods/Bivalves: Cephalopods: Arthropods Merostomata: Crustaceans: Echinoderms Cartilaginous Fish (Shark)