Organisms found in the Phyla Mollusca are often found to be bilaterally symmetrical. Their body has more than two cell layers and includes tissues and organ. Their body possess a complete digestive track with a gut and an anus. The nervous system of mollusca includes a brain and a ganglia with paried nerves running down the body. The circualatroy system of molluscs is open and has a heart and an aorta. The reproduction of mollusca is sexual and involves the male penetrating the female.

Giant Squid (Architeuthis)
Ramel, G. (2010). The phylum mollusca. Retrieved from http://www.earthlife.net/inverts/mollusca.html