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2 Specimen Results
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Phylum:
Pteridophyta
Genus:
Codonotheca
FHSM PB-209
Codonotheca caduca
(Sellards, 1903)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-279
Codonotheca caduca
(Sellards, 1903)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
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Trigonocarpales (2)
Family
Medullosaceae (2)
Individual/Organization
Sternberg, G.F. (1)
Mrs. Danforth, F. (1)
Period
Pennsylvanian (2)
Formation
Mazon Creek (2)
Country
United States of America (2)
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Illinois (2)
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Grundy (2)