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Individual/Organization:
Bretz, R.F.
Individual/Organization:
Zehr, D.D.
FHSM VP-4509
Protosphyraena
(Leidy, 1857)
Formation:
Niobrara
Period(Early):
Cretaceous
FHSM VP-4510
Protosphyraena perniciosa
(Cope, 1874)
Formation:
Niobrara
Period(Early):
Cretaceous
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Pachycormiformes (2)
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Pachycormidae (2)
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Protosphyraena (2)
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Stewart, J.D. (1)
Zakrzewski, R.J. (1)
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Cretaceous (2)
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