Word Meanings - UNIVALVIA - Book Publishers vocabulary database
Related words: (words related to UNIVALVIA)
- GASTROPODA
One of the classes of Mollusca, of great extent. It includes most of the marine spiral shells, and the land and fresh-water snails. They generally creep by means of a flat, muscular disk, or foot, on the ventral side of the body. The head usually - BRANCHIOGASTROPODA
Those Gastropoda that breathe by branchiƦ, including the Prosobranchiata and Opisthobranchiata.