The mollusks or molluscs are the large and diverse phylum Mollusca, which includes a variety of familiar animals well-known for their decorative shells or as seafood. These range from tiny snails, clams, and abalone to the octopus, cuttlefish and squid (which are considered the most intelligent invertebrates). There are some 112,000 species within this phylum.Feldkamp, Susan (2002). Modern Biology. United States: Holt, Rinehart, and Winston. pp. 725

The giant squid, which until recently had not been observed alive in its adult form, is the largest invertebrate; although it is possible that the Colossal Squid is even larger. The scientific study of mollusks is called malacology.

Anatomy

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Mollusks are triploblastic protostomes. The principal body cavity is a blood-filled hemocoel. They have a true coelom (eucoelom); any coelomic cavities have been reduced to vestiges around the hearts, gonads, and metanephridia (kidney-like organs). The body is often divided into a head, with eyes or tentacles, a muscular foot and a visceral mass housing the organs.

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@guidofawkes Snails eat dirt and rocks http://animals.about.com/od/mollusks/ig/World-of-Snails/Snail-7.htm
sdjohns (Simon Deane-Johns) Tue, 05 Jan 2010 10:17:36 -0000
@guidofawkes Snails eat dirt and rocks http://animals.about.com/od/mollusks/ig/World-of-Snails/Snail-7.htm
Distribution and Potential Human Risk of Organochlorine Pesticides in Market Mollusks from.. http://bit.ly/6qWtFu http://trophort.com/
Bio_Network (George Maine) Sun, 03 Jan 2010 11:24:14 -0000
Distribution and Potential Human Risk of Organochlorine Pesticides in Market Mollusks from.. http://bit.ly/6qWtFu http://trophort.com/
Distribution and Potential Human Risk of Organochlorine Pesticides in Market Mollusks from Dalian, China http://kele.es/r53
Sciencia (Webmaster Sciencia) Sun, 03 Jan 2010 08:30:59 -0000
Distribution and Potential Human Risk of Organochlorine Pesticides in Market Mollusks from Dalian, China http://kele.es/r53
We're eating snails to celebrate my parents anniversary because nothing says wedded bliss like mollusks
JemaeJemaeJem (JemaeJemaeJem) Sun, 03 Jan 2010 03:01:41 -0000
We're eating snails to celebrate my parents anniversary because nothing says wedded bliss like mollusks
RT @freshnmarine: About Sea Slugs: Sea slugs are mollusks, related to the shelled terrestrial snails that we are all too familiar wit... ...
gypsygenie (jeanie pecats) Sat, 02 Jan 2010 20:57:28 -0000
RT @freshnmarine: About Sea Slugs: Sea slugs are mollusks, related to the shelled terrestrial snails that we are all too familiar wit... ...
@Thatchapdean I think in America it's a general term used to cover a range of edible mollusks?
mattbeetar (Matt Beetar) Sat, 02 Jan 2010 14:12:44 -0000
@Thatchapdean I think in America it's a general term used to cover a range of edible mollusks?

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