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4 Specimen Results
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Genus:
Acmaea
FHSM IP-1328
Acmaea parva
(Stimpson, 1858)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM IP-1329
Acmaea parva
(Stimpson, 1858)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM IP-1330
Acmaea parva
(Stimpson, 1858)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM IP-2087
Acmaea mitra
Period(Early):
Quaternary
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Mollusca (4)
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Gastropoda (4)
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Acmaeidae (4)
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Acanthinucella (1)
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Acanthoscaphites (14)
Acris (2)
?Acris (1)
and 835 more
has media
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Harksen, J.C. (3)
Pettyjohn, W. (3)
C.H. Sternberg (1)
Period
Cretaceous (3)
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Pleistocene (1)
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Pierre (3)
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