Cornu aspersum (formerly Helix aspersa)—a common land snail Shell of Marisa cornuarietis, a freshwater snail Mollusca is a phylum of protostomic invertebrate animals, whose members …

Mollusks are soft-bodied invertebrates of the phylum Mollusca, usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body. Along with the insects …

Our freshwater mollusks are not only a fascinating part of our natural heritage but have global significance. As a group, they serve vital functions in freshwater ecosystems and many …

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. …

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

Sep 6, 2025 · Mollusks are a large group of soft-bodied invertebrate animals. Although the phylum Mollusca is made up of a set of incredibly diverse animals, there are certain characteristics …

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

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 …

Dec 19, 2025 · Mollusks are primarily of separate sexes, and the reproductive organs (gonads) are simple. Reproduction via an unfertilized gamete (parthenogenesis) is also found among …

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; …