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3 Specimen Results
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Period:
Cretaceous
Class:
Echinoidea
FHSM IP-343
Echinoidea (Leske, 1778)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM IP-930
Micraster
(Agassiz, 1836)
Period(Early):
Cretaceous
FHSM IP-931
Micraster
(Agassiz, 1836)
Period(Early):
Cretaceous
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Echinodermata (3)
Order
Spatangoida (2)
Family
Micrasteridae (2)
Genus
Micraster (2)
Individual/Organization
Walker, M.V. (2)
Zakrzewski, R.J. (1)
Abell, D. (1)
Reed, A.L. (2)
Period
Cretaceous (3)
Formation
Niobrara (1)
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United States of America (3)
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Bryon (2)
Gove (1)