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 behavior and habitat, as …

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 and …

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 largest after …

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 and …

They are soft-bodied creatures, typically protected by a hard shell, although some mollusks lack shells or have reduced shells. Mollusks inhabit various aquatic and terrestrial environments, including …

Sep 6, 2025 · All types of mollusks, their characteristics, classifications, examples and photos. Mollusks refer to the soft-bodied invertebrates part of the phylum Mollusca .

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

There are four major groups within the phylum Mollusca: Class Polyplacophora consists of chitons, snail-like molluscs with eight-part overlapping scale shells (Fig. 3.51 A). Class Gastropoda are true …

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 protect their soft …