6 Specimen Results

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Genus:Alethopteris

FHSM PB-210
Alethopteris serli (White)
Formation: Mazon Creek
Period(Early): Pennsylvanian

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FHSM PB-211
Alethopteris serli (White)
Formation: Mazon Creek
Period(Early): Pennsylvanian

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FHSM PB-266
Alethopteris serli (White)
Formation: Mazon Creek
Period(Early): Pennsylvanian

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FHSM PB-271
Alethopteris serli (White)
Formation: Mazon Creek
Period(Early): Pennsylvanian

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FHSM PB-276
Alethopteris serli (White)
Formation: Mazon Creek
Period(Early): Pennsylvanian

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FHSM PB-537
Alethopteris (Sternberg, 1825)
Formation: Stranger

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