
Mollusca - Wikipedia
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 …
Mollusk | Definition, Characteristics, Shell, Classification, & Facts ...
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.
Mollusk - Definition, List, Examples, Characteristics, and Image
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 …
20 Types of Mollusks: Species, Facts and Photos - TRVST
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. Mollusks …
Mollusks ~ MarineBio Conservation Society
Mollusks inhabit various aquatic and terrestrial environments, including oceans, freshwater bodies, and land. Mollusks exhibit a wide range of anatomical features and adaptations, but they share several …
What Is a Mollusk? Defining Features & Diverse Forms
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 nearly every …
Molluscs - Natural History Museum
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 protect their soft …
MOLLUSK Definition & Meaning - Merriam-Webster
Dec 29, 2014 · 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 …
Phylum Mollusca | Biology for Majors II - Lumen Learning
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, making them the …
Mollusks - Encyclopedia of Life
Mollusks are very efficient in the use of their body parts. They never settle for one function when an organ could serve two or six purposes at once. A good example of this is the mantle, a membranous …