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 behaviour and habitat, as numerous groups are freshwater and even terrestrial species.
List of mollusks | Gastropods, Bivalves, Cephalopods | Britannica
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 vertebrates, mollusks are one of the most diverse groups in the animal kingdom, with nearly 100,000.
Mollusk | Definition, Characteristics, Shell, Classification, & Facts ...
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. Along with the insects and vertebrates, it is one of the most diverse groups in the animal kingdom, with …
Mollusk Facts: Habitat, Behavior, Diet - ThoughtCo
2019年12月13日 · Common Name: Mollusks or molluscs. Basic Animal Group: Invertebrate. Size: Microscopic to 45 feet in length. Weight: Up to 1,650 pounds. Lifespan: Hours to centuries—the oldest is known to have lived over 500 years. Diet: Mostly herbivore, except for cephalopods who are omnivores.
Mollusks Portal | Britannica
Mollusk, also spelled mollusc, 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
2024年4月30日 · 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 Arthropoda, with around 76,000 extant species worldwide, accounting for around 23% of all marine species.
Phylum Mollusca - Characteristics, Classification and Examples
Mollusca. The animals belonging to the phylum Mollusca have soft-bodies, triploblastic and bilaterally symmetrical and coelomate. The study of Mollusca is called Malacology. They are sluggish invertebrates, with a thin fleshy envelope or mantle covering the visceral organs.
Types of Mollusks - Characteristics And Examples - AnimalWised
2019年8月20日 · Mollusks refer to are a large group of soft-bodied invertebrate animals. Although the phylum M ollusca are made up of a set of incredibly diverse animals, there are certain characteristics which aid to classify them.
15.4: Mollusks and Annelids - Biology LibreTexts
2021年9月23日 · The mollusks are a diverse group (85,000 described species) of mostly marine species. They have a variety of forms, ranging from large predatory squid and octopus, some of which show a high degree of intelligence, to small grazing forms …
Molluscs - Oxford University Museum of Natural History
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), caudofoveates, solenogastres, monoplacophorans and polyplacophorans (chitons).