browse words by letter
a b c d e f g h i j k l m n o p q r s t u v w x y z

pectostraca

pectostraca


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Pectostraca  \Pec*tos"tra*ca\,  n.  pl  [NL.,  fr  Gr  ?  fixed  +  ? 
  shell  of  a  testacean.]  (Zo["o]l.) 
  A  degenerate  order  of  Crustacea,  including  the  Rhizocephala 
  and  Cirripedia.