Tarrantoceras sp.

 

Right Side View

 

Left Side View

 

Apertural View

 

Ventral View

 

Suture Detail

 

 

    These ammonites are found in the Tarrant Member of the Eagleford Group, Tarrant County, Texas.  Tarrantoceras is a highly prized ammonite fossil sought for by local collectors and is also used as a biostratigraphic age marker for the earliest Middle-Cenomanian stage (~96 ma).

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