Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms. They are highly diverse, not just in size and anatomical structure, but also in …

Dec 19, 2025 · Mollusk is any soft-bodied invertebrate of the phylum Mollusca, usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body.

Jul 17, 2025 · Mollusks or Molluscs are a group of soft-bodied invertebrates distributed across marine, freshwater, and terrestrial habitats. They belong to the phylum Mollusca, the second …

Discover the varied types of mollusks and their ecological roles in this article, from pearl-producing oysters to the unique sea butterfly and even the venomous blue-ringed octopuses. …

The phylum Mollusca is the second-largest animal phylum, with over 100,000 species. The molluscs include many familiar animals, including clams, snails, slugs, and squid, as well as …

Aug 3, 2023 · Mollusca (mollusks) are classified into 6 classes according to their symmetry and the characters of food, shell, mantle, gills, nervous system, muscles, and radula.

Mollusca is one of the most diverse groups of animals on the planet, with at least 50,000 living species (and more likely around 200,000). It includes such familiar organisms as snails, …

Mollusca is the group of animals that includes gastropods (snails, slugs, limpets etc), bivalves (clams, oysters, mussels etc), cephalopods (octopuses, nautiluses, squids etc), scaphopods …

Mar 8, 2022 · Molluscs are invertebrates, which means they are animals that do not have a backbone. They come in all shapes and sizes, and some of them grow external shells to …

Phylum Mollusca is the predominant phylum in marine environments. It is estimated that 23 percent of all known marine species are mollusks; there are over 75,000 described species, …