Hybodontiformes
Encyclopedia
Hybodontiformes was an order of sharks, they were characterised by possessing 1-2 pairs of hooked protrusions on their heads.

External links

  • http://www.palaeos.com/Vertebrates/Units/070Chondrichthyes/070.600.html#Hybodontiformes
  • http://www.helsinki.fi/~mhaaramo/metazoa/deuterostoma/chordata/chondrichthyes/elasmobranchii/hybodontiformes/hybodontiformes.html
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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