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17 Specimen Results
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Phylum: Individual/Organization: Period:
FHSM PB-203
Pecopteris (Brongniart, 1822)
Formation: Mazon Creek;Mazon Creek
Period(Early): Pennsylvanian;Pennsylvanian
FHSM PB-204
Pecopteris vestita (Lesquereux)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-205
Annularia (Sternberg, 1821)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-206

Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-207
Neuropteris decipiens (Lesquereux )
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-209
Codonotheca caduca (Sellards, 1903)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-210
Alethopteris serli (White)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-211
Alethopteris serli (White)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-212
Pecopteris vestita (Lesquereux)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-213
Annularia (Sternberg, 1821)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-214
Annularia (Sternberg, 1821)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-215
Pecopteris vestita (Lesquereux)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-216
Pecopteris vestita (Lesquereux)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-217
Pecopteris vestita (Lesquereux)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-368
Pecopteris (Brongniart, 1822)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-369
Pecopteris (Brongniart, 1822)
Formation: Mazon Creek
Period(Early): Pennsylvanian
FHSM PB-370
Pecopteris (Brongniart, 1822)
Formation: Mazon Creek
Period(Early): Pennsylvanian
Next 36

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Order

Equisetales (4)
Marattiales (9)
Trigonocarpales (4)

Family

Alethopteridaceae (2)
Calamitaceae (4)
Marattiaceae (9)
Medullosaceae (2)

Genus

Alethopteris (2)
Annularia (4)
Codonotheca (1)
Neuropteris (1)
Pecopteris (9)

Period

Pennsylvanian (18)

Formation

Mazon Creek (18)

Country

United States of America (17)

State/Province

Illinois (17)

County

Grundy (17)
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