Ptychodus decurrens
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Taxon: Ptychodus decurrens Agassiz
Locality: Temple, Bell County, TX
Age: Cenomanian Stage, Cretaceous Period
Rock unit: Del Rio Formation
Collector: W. Itano
Ptychodus was a shark having a dentition made up of
parallel rows of teeth like this one.
The teeth formed a crushing pavement.
It is poorly known, other than from its teeth. It may be a hybodont.
The length is 1.2 cm.
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Last modified: August 20, 1998. Send comments to
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