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Family:
Calymenidae
State/Province:
Illinois
FHSM IP-2170
Calymene
(Brongnairt, 1822)
Period(Early):
Ordovician
FHSM IP-2171
Flexicalymene meeki
(Shirley, 1936)
Period(Early):
Ordovician
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Miler, H.W. (2)
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