
clade Eupulmonata clade Stylommatophora Achatina is a genus of medium-sized to very large, air-breathing, tropical land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae. There are some 200 species of Achatinidae in Sub-Saharan Africa. Some species are kept as terrarium animals due to their size and colourful shells. ==She...
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http://en.wikipedia.org/wiki/Achatina

• (n.) A genus of land snails, often large, common in the warm parts of America and Africa.
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http://thinkexist.com/dictionary/meaning/achatina/

(from the article `gastropod`) In some places, introductions of Achatina and Helix have resulted in damage to crops and gardens by these rapidly multiplying snails. California ...
Found on
http://www.britannica.com/eb/a-z/a/11
Ach`a·ti'na noun [ New Latin , from Greek ... agate.]
(Zoology) A genus of land snails, often large, common in the warm parts of America and Africa.
Found on
http://www.encyclo.co.uk/webster/A/18
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