Hybodontiformes

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Hybodontiformes Fossil range: Early Devonian to Late Cretaceous
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Subclass: Elasmobranchii Infraclass: Euselachii Order: †Hybodontiformes Owen, 1846
Families
Acrodontidae Hybodontidae Lonchidiidae Polyacrodontidae Ptychodontidae

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

[edit] 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