3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Gasteropoda  \Gas`te*rop`o*da\,  n.  pl  (Zo["o]l.) 
  Same  as  {Gastropoda}. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Gastropoda  \Gas*trop"o*da\,  n.  pl.,  [NL.,  fr  Gr  ?,  ?,  stomach 
  +  -poda.]  (Zo["o]l.) 
  One  of  the  classes  of  Mollusca,  of  great  extent.  It  includes 
  most  of  the  marine  spiral  shells,  and  the  land  and 
  fresh-water  snails.  They  generally  creep  by  means  of  a  flat, 
  muscular  disk,  or  foot,  on  the  ventral  side  of  the  body.  The 
  head  usually  bears  one  or  two  pairs  of  tentacles.  See 
  {Mollusca}.  [Written  also  {Gasteropoda}.] 
 
  Note:  The  Gastropoda  are  divided  into  three  subclasses;  viz.: 
  ({a})  The  Streptoneura  or  Dioecia,  including  the 
  Pectinibranchiata,  Rhipidoglossa,  Docoglossa,  and 
  Heteropoda.  ({b})  The  Euthyneura,  including  the 
  Pulmonata  and  Opisthobranchia.  ({c})  The  Amphineura, 
  including  the  Polyplacophora  and  Aplacophora. 
 
  From  WordNet  r  1.6  [wn]: 
 
  Gasteropoda 
  n  :  snails  and  slugs  and  their  relatives  [syn:  {Gastropoda},  {class 
  Gastropoda},  {Gasteropoda},  {class  Gasteropoda}] 

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