* Spanish name for the edible mollusc Concholepas concholepas, commonly called Chilean abalone

For development to occur, the embryo needs to be ingested by an invertebrate, almost always a crustacean ( there is one known life cycle which uses a mollusc as a first intermediate host ).

In the United Kingdom, " clam " is one of the common names of various species of marine bivalve mollusc, but it is not used as a general term to cover edible clams that burrow, and it is not used as a general term for all bivalves.

Other animals may have organs that are analogous to tongues, such as a butterfly's proboscis or a radula on a mollusc, but these are not homologous with the tongues found in vertebrates, and often have little resemblance in function, for example, butterflies do not lick with their proboscides ; they suck thorough them, and the proboscis is not a single organ, but two jaws held together to form a tube.

The Pliocene deposits contain a mollusc fauna more Arctic than that which exists at the present time, indicating that the connection between the Pacific and Arctic Oceans was probably broader than it is now.

Flight around a 3D-Rendering of a Computed tomography | µCT-Scan of a young Mytilus ( mollusc ) | Mytilus that is almost completely covered with Balanidae ( barnacles ).

There is some evidence from the case of the mollusc Thais lapillus ( the dog whelk ) on the Brittany coast, that the two chromosome morphs are adapted to different habitats.

The radula is unique to the molluscs, and is found in every class of mollusc except the bivalves.

The mouth of the gastropods is located below the anterior part of the mollusc.

The giant squid is the second largest mollusc and the second largest of all extant invertebrates.

However when the food supply is exhausted, they aggregate to form a multicellular assembly, called a pseudoplasmodium, grex, or slug ( not to be confused with the gastropod mollusc called a slug ).

The protein component of the scales and sclerites is minuscule in comparison with other biomineralized structures, whereas the total proportion of matrix is higher than in mollusc shells.

The English name " chiton " originates from the Latin word chitōn, which means " mollusc ", and in turn is derived from the Greek word " khitōn ", meaning tunic ( which also is the source of the word chitin ).

Brunel is said to have been inspired in his design by the shell of the shipworm Teredo navalis, a mollusc whose efficiency at boring through submerged timber he observed while working in a shipyard.

The bivalved mollusc Macoma is their preferred prey on European coasts, swallowing them whole and breaking them up in their gizzard.

: The type of gastropod marine mollusc is spelled cowrie, while the New Zealand land mollusc is spelled Kauri.

The GIA and CIBJO now simply use the term ' pearl ' ( or, where appropriate, the more descriptive term ' non-nacreous pearl ') when referring to such items and, under Federal Trade Commission rules, various mollusc pearls may be referred to as ' pearls ', without qualification.

The common name " giant tube worm " is however also applied to the largest living species of shipworm, Kuphus polythalamia, which despite the name " worm " is a bivalve mollusc, not an annelid.

The dog whelk, dogwhelk, or Atlantic dogwinkle, scientific name Nucella lapillus, is a species of predatory sea snail, a carnivorous marine gastropod mollusc in the family Muricidae, the rock snails.

During the 1930s she made a name for herself at the Marine Biological Station in Plymouth, studying the mollusc Nucula and its trematode parasites ( Rothschild 1936, 1938a, 1938b ).

The English name periwinkle is shared with the related genus Catharanthus ( and also with the common seashore mollusc, Littorina littorea ).

The black turban snail, scientific name Chlorostoma funebralis, is a species of medium-sized sea snail with gills and an operculum, a marine gastropod mollusc in the family Turbinidae.

The Atlantic surf clam, known locally as the " surf clam ", scientific name Spisula solida, is a medium-sized marine clam or bivalve mollusc.

The black-striped mussel, scientific name Mytilopsis sallei, is a small marine bivalve mollusc in the family Dreissenidae, the false mussels.

Excluding the botanical meaning ( 4 ) " rhizomorphs or grouped hyphae of certain fungi that roughly resemble a bivalve shell " and the obsolete ( 2 ) " fungoid filament " and ( 5 ) " asbestos ", byssus refers to ( 1 ) " a rare fabric produced in ancient Mediterranean cultures " which is manufactured from ( 3 ) " a thread-like mollusc filament ".

These results support the inter-domain horizontal transfer of an algal gene to a mollusc host, its expression in that host, and its insertion into the germline even though the plastids are not transmitted vertically in the sea slugs.

Certain kinds of organisms require particular additional elements, for example the magnesium in chlorophyll in green plants, the calcium in mollusc shells, or the iron in the hemoglobin in vertebrate animals ' red blood cells.

The most common are calcite or calcium carbonate, CaCO < sub > 3 </ sub >, the chief constituent of limestone ( as well as the main component of mollusc shells and coral skeletons ); dolomite, a calcium-magnesium carbonate CaMg ( CO < sub > 3 </ sub >)< sub > 2 </ sub >; and siderite, or iron ( II ) carbonate, FeCO < sub > 3 </ sub >, an important iron ore.

* The Spiral — A story about life as a mollusc, and the nature of love and writing.

After her death, other species, including the ostracod Cytherelloidea anningi, and two genera, the therapsid reptile genus Anningia, and the bivalve mollusc genus Anningella, were named in her honour.

The particles comprising the beach are occasionally biological in origin, such as mollusc shells or coralline algae.

An ammonite shell viewed in section, revealing the internal chambers and Septum ( mollusc ) | septa.

Synchrotron analysis of an aptychophoran ammonite revealed remains of isopod and mollusc larva in its buccal cavity, indicating that at least this kind of ammonite fed on plankton.

Many crustacean and mollusc species rely on mangroves as a source of food whether by providing foraging through leaf litter, mud or direct predation of the mangrove trees and seeds.

The islands have 19 species of endemic freshwater invertebrates, including one mollusc, one crustacean, a mayfly, 12 flies and two caddis flies.

At least one modern gastropod mollusc living near deep sea hydrothermal vents has structures made of iron sulfides similar to some Cambrian sclerites.

Operculum ( gastropod ) | operculum 13. brain 14. mouth 15. tentacle ( chemosensory, 2 or 4 ) 16. eye 17. penis ( everted, normally internal ) 18. esophageal nerve ring 19. pedal ganglion 20. lower commissura 21. vas deferens 22. pallial cavity / Mantle ( mollusc ) | mantle cavity / respiratory cavity 23. parietal ganglion 24. anus 25. hepatopancreas 26. gonad 27. rectum 28. nephridium

However, the species of sea snail which is known in the seafood trade as the " Chilean abalone ", Concholepas concholepas, is from another family altogether.

The hemocyanin found in Concholepas concholepas blood has immunotherapeutic effects against bladder and prostate cancer.

Researchers in 2006 primed mice with C. concholepas before implantation of bladder tumor ( MBT-2 ) cells.

Mice treated with C. concholepas showed significant antitumor effects: prolonged survival, decreased tumor growth and incidence, and lack of toxic effects.