10 Specimen Results

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Individual/Organization:Zakrzewski, R.J. Order:

FHSM VP-76
Ptychodus mortoni (Agassiz, 1843)
Formation: Niobrara
Period(Early): Cretaceous

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FHSM VP-5520
Ptychodus mammillaris (Agassiz, 1839)
Formation: Carlile
Period(Early): Cretaceous

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FHSM VP-6289
Ptychodus mammillaris (Agassiz, 1839)
Formation: Greenhorn
Period(Early): Cretaceous

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FHSM VP-6292
Ptychodus mammillaris (Agassiz, 1839)
Formation: Carlile
Period(Early): Cretaceous

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FHSM VP-6296
Ptychodus whipplei (Marcou, 1853)
Formation: Carlile
Period(Early): Cretaceous

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FHSM VP-6727
Ptychodus anonymus (Williston, 1900)
Formation: Carlile
Period(Early): Cretaceous

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FHSM VP-10634
Ptychodus mortoni (Agassiz, 1843)
Formation: Niobrara
Period(Early): Cretaceous

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FHSM VP-12365
Ptychodus anonymus (Williston, 1900)
Formation: Carlile
Period(Early): Cretaceous

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FHSM VP-12367
Ptychodus whipplei (Marcou, 1853)
Formation: Carlile
Period(Early): Cretaceous

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FHSM VP-15763
Ptychodus (Agassiz, 1837)
Formation: Graneros
Period(Early): Cretaceous

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