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scutibranchiata

scutibranchiata


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Scutibranchiata  \Scu`ti*bran`chi*a"ta\,  n.  pl  [NL.  See 
  {Scutum},  and  {Branchia}.]  (Zo["o]l.) 
  An  order  of  gastropod  Mollusca  having  a  heart  with  two 
  auricles  and  one  ventricle.  The  shell  may  be  either  spiral  or 
  shieldlike 
 
  Note:  It  is  now  usually  regarded  as  including  only  the 
  Rhipidoglossa  and  the  Docoglossa.  When  originally 
  established,  it  included  a  heterogenous  group  of 
  mollusks  having  shieldlike  shells,  such  as  Haliotis, 
  Fissurella,  Carinaria,  etc