Second-largest phylum in number of species- over 100,000 described.
PHYLUM MOLLUSCA “MALACOLOGY” The study of molluscs not drab and mundane as found on the N.A. continent of the eight classes, only 3 are common.
1 Phylum Mollusca BIO 2215 Oklahoma City Community College Dennis Anderson.
1 Phylum Mollusca. 2 3 Numbers of species Echinodermata Ciliophora Chordata Mollusca Platyhelminthes Nematoda Porifera Annelida Other Apicomplex Sarcomastigophora.
