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. …

Aug 14, 2025 · Mollusks (phylum Mollusca) are a vast and diverse group of invertebrate animals. This group includes familiar creatures like snails, clams, octopuses, and squids. They inhabit …

Mollusks are an extremely diverse group of animals that live all over the world – on land, in freshwater, and in the ocean. There are three major groups of mollusks. Gastropods include …

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 …

The generalized mollusk is bilaterally symmetrical and has a single, " limpet -like" shell on top. The shell is secreted by a mantle covering the upper surface.

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; …

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 …