Coccosteus

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Coccosteus \Coc*cos"te*us\, n. [NL., from Gr. ? grain, seed + ?
     bone.] (Paleon.)
     An extinct genus of Devonian ganoid fishes, having the broad
     plates about the head studded with berrylike tubercles.
     [1913 Webster]