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Molluscs
Molluscs are a group of invertebrates that includes chitons, snails, slugs, limpets, squids, oysters, clams, cuttlefish, octopus and many more. There are about 100,000 species of molluscs alive today. The articles listed below provide information about the characteristics, classification and evolution of molluscs.
What Are Molluscs?
Molluscs are a group of invertebrates whose body consists of three basic parts, a foot, a visceral mass, and a mantle. In this article, we'll explore basic facts about molluscs including how they are classified, what they eat, where they live and the characteristics that make them different from other animal groups.
Mollusc Pictures
Pictures of molluscs, including bobtail squids, common cuttlefish, chambered nautiluses, argonauts octopuses, snails, bivalves and more.
Bivalves
Bivalves are a group of molluscs that have billaterally symmetrical hinged shells. In this article, we'll explore basic facts about bivalves including how they are classified, what they eat, where they live and the characteristics that make them different from other mollusc groups.
Cephalopods
Cephalopods are a group of mulluscs that include octopuses, cuttlefish, squid and the chambered nautilus. In this article, we'll explore basic facts about cephalopods including how they are classified, what they eat, where they live and the characteristics that make them different from other mollusc groups.
Gastropods
Gastropods are molluscs that undergo torsion when they develop and (in most cases) have a spirally coiled shell. In this article, we'll explore basic facts about gastropods including how they are classified, what they eat, where they live and the characteristics that make them different from other mollusc groups.
Pulmonates
Pulmonates are gastropods that have lungs instead of gills. In this article, we'll explore basic facts about pulmonates including how they are classified, what they eat, where they live and the characteristics that make them different from other gastropod groups.
Facts About Molluscs
Learn interesting facts about molluscs and find out about the characteristics make them different from other animal groups, their life cycle and their evolutionary history.
Facts About Octopuses
Learn interesting facts about octopuses and find out about the characteristics make them different from other molluscs, their life cycle and their evolutionary history.
Facts About Terrestrial Snails
Learn interesting facts about terrestrial snails and find out about the characteristics make them different from other animal groups, their life cycle and their evolutionary history.
California Black Sea Hare
The California sea hare is among the world's largest gastropods and grows to lengths of about 16 inches. It has ruffled flaps along its back and two pairs of antennae.
Octopuses
Octopuses