2. Phylum Mollusca: Station 6 This group includes snails, clams and squid, oysters and more. They have the most advanced nervous system of all invertebrates. You will get to dissect a squid. They have soft bodies and some are covered by a shell. Squid Octopus

3. Molluska Samples and Classification Structures Kingdom: Animalia ◦ Phylum: Mollusca  Common Name = squid, octopi, snails, clams, slugs, oysters, etc..  Reproduction = Mostly Sexual (two parents)  Symmetry = Bilaterally Symmetrical  Classification Structures 1. Mollusks have many cell layers 2. They have tissues and organs, 3.They have no body cavity or hollow place 4. They have a nervous system, open circulatory system, and kidneys. 5. Some have gills for breathing in water. 6. Some have shells. 7. Some have a muscular foot for movement.  Samples:  6A = Genus Helix (land snail) There are two samples to see.