7 Specimen Results

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Period:Ordovician Formation:Decorah

FHSM IP-2174
Spiroceras (Quenstedt, 1856)
Formation: Decorah
Period(Early): Ordovician

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FHSM IP-2177
Batostoma (Ulrich, 1882)
Formation: Decorah
Period(Early): Ordovician

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FHSM IP-2178
Hallopora (Bassler, 1911)
Formation: Decorah
Period(Early): Ordovician

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FHSM IP-2179
Gastropoda (Cuvier, 1797)
Formation: Decorah
Period(Early): Ordovician

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FHSM IP-2180
Prasopora (Nicholson and Etheridge, 1877)
Formation: Decorah
Period(Early): Ordovician

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FHSM IP-2183
Lambeophyllum (Okulitch, 1938)
Formation: Decorah
Period(Early): Ordovician

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FHSM IP-2185
Rhynchotrema (Hall, 1860)
Formation: Decorah
Period(Early): Ordovician

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