coelacanth

from WordNet (r) 3.0 (2006)

coelacanth
    n 1: fish thought to have been extinct since the Cretaceous
         period but found in 1938 off the coast of Africa [syn:
         {coelacanth}, {Latimeria chalumnae}]

from The Collaborative International Dictionary of English v.0.48

Coelacanth \C[oe]l"a*canth\ (? or ?), a. [Gr. koi^los hollow + ?
   spine.] (Zool.)
   Having hollow spines, as some ganoid fishes.

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