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18 Specimen Results
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Phylum:
Pteridophyta
Individual/Organization:
Sternberg, G.F.
FHSM PB-265
Pecopteris
(Brongniart, 1822)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-266
Alethopteris serli
(White)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-267
Neuropteris decipiens
(Lesquereux )
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-268
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-269
Neuropteris decipiens
(Lesquereux )
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-270
Neuropteris decipiens
(Lesquereux )
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-271
Alethopteris serli
(White)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-272
Pecopteris vestita
(Lesquereux)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-274
Pecopteris vestita
(Lesquereux)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-275
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-276
Alethopteris serli
(White)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-277
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-278
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-279
Codonotheca caduca
(Sellards, 1903)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-347
Pecopteris
(Brongniart, 1822)
Formation:
Mazon Creek
FHSM PB-349
Neuropteris decipiens
(Lesquereux )
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-350
Neuropteris decipiens
(Lesquereux )
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-351
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
Next 36
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Order
Equisetales (5)
Marattiales (4)
Trigonocarpales (9)
Family
Alethopteridaceae (3)
Calamitaceae (5)
Marattiaceae (4)
Medullosaceae (6)
Genus
Alethopteris (3)
Annularia (5)
Codonotheca (1)
Neuropteris (5)
Pecopteris (4)
Period
Pennsylvanian (17)
Formation
Mazon Creek (18)
Country
United States of America (18)
State/Province
Illinois (18)
County
Grundy (18)