Sphyradium Doliolum (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Sphyradium doliolum is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Orculidae. The Mollusca is a large phylum of invertebrate animals. There are around 85,000 recognized extant species of molluscs. Mollusca is the largest marine phylum, comprising about 23% of all the named marine organisms. Numerous molluscs also live in freshwater and terrestrial habitats. Molluscs are highly diverse, not only in size and in anatomical structure, but also in behaviour and in habitat.