Category:Ptychodus

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DomainEukaryota • RegnumAnimalia • PhylumChordata • SubphylumVertebrata • InfraphylumGnathostomata • ClassisChondrichthyes • SubclassisElasmobranchii • OrdoHybodontiformes • SuperfamiliaHybodontoidea • FamiliaPtychodontidae • Genus: Ptychodus Agassiz, 1835
Wikispecies Wikispecies has an entry on: Ptychodus.

Subcategories

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Media in category "Ptychodus"

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