Invertebrates
I.Mollusca B.Bivalvia Laterally compressedLaterally compressed Two-valved shellTwo-valved shell No headNo head No radulaNo radula Some have muscular foot.
Invertebrates. Jellies – Phylum Cnidaria Round Worms – Phylum Nematoda Live in sediments or tissues of other organisms Over 12,000 described species.
