Definitions

from The Century Dictionary.

  • noun In ichthyology, a genus of selachostomous fishes, named by Lacépède in 1798, the type of the family Polyodontidæ, having many teeth crowded in bandlike masses during the youth of its members, these teeth being lost at maturity. P. spatula is an example. Also called Spatularia. See cuts under paddle-fish.
  • noun In conchology, a genus of pulmonate gastropods.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun type genus of the Polyodontidae

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