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amphioxus

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amphioxus


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Amphioxus  \Am`phi*ox"us\,  n.  [NL.,  fr  Gr  ?  +  ?  sharp.] 
  (Zo["o]l.) 
  A  fishlike  creature  ({Amphioxus  lanceolatus}),  two  or  three 
  inches  long,  found  in  temperature  seas;  --  also  called  the 
  {lancelet}.  Its  body  is  pointed  at  both  ends  It  is  the 
  lowest  and  most  generalized  of  the  vertebrates,  having 
  neither  brain,  skull,  vertebr[ae],  nor  red  blood.  It  forms 
  the  type  of  the  group  {Acrania},  {Leptocardia},  etc 
 
  From  WordNet  r  1.6  [wn]: 
 
  amphioxus 
  n  :  small  translucent  lancet-shaped  burrowing  marine  animal; 
  primitive  forerunner  of  the  vertebrates  [syn:  {lancelet}] 




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