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8 Specimen Results
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Class:
Chondrichthyes
Individual/Organization:
Frye, L.C.
FHSM VP-2221
Ptychodus mortoni
(Agassiz, 1843)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-2223-8
Ptychodus rugosus
(Dixon, 1850)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-2223-9
Ptychodus rugosus
(Dixon, 1850)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-2223-10
Ptychodus rugosus
(Dixon, 1850)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-2223-11
Ptychodus rugosus
(Dixon, 1850)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-2223-12
Ptychodus rugosus
(Dixon, 1850)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-2223-13
Ptychodus rugosus
(Dixon, 1850)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-2227
Ptychodus
(Agassiz, 1837)
Formation:
Niobrara
Period(Early):
Cretaceous
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Chordata (8)
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(8)
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Ptychodontidae (8)
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Ptychodus (8)
Individual/Organization
Walker, M.V. (7)
Shimada, K. (1)
Period
Cretaceous (8)
Epoch
Upper (8)
Age
Santonian (8)
Formation
Niobrara (8)
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Smoky Hill (8)
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United States of America (9)
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