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, 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.

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. …

Dec 1, 2025 · Mollusks are the dominant invertebrate phylum in marine habitats, making up approximately 23% of all named marine species. They are also found in freshwater systems …

Mollusks inhabit various aquatic and terrestrial environments, including oceans, freshwater bodies, and land. Mollusks exhibit a wide range of anatomical features and adaptations, but …

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 …

Freshwater mussels are soft-bodied animals enclosed in two shells connected by a hinge. These animals live buried in gravel, sand, or mud at the bottom of lakes, ponds, streams, and rivers. …

The meaning of MOLLUSK is any of a large phylum (Mollusca) of invertebrate animals (such as snails, clams, or squids) with a soft unsegmented body usually enclosed in a calcareous shell; …

A hard outer shell has been an invaluable asset to many a mollusk—some successful extant lineages may owe their survival to this feature. Mollusk shells have even influenced the fate …

mollusk, 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.