431 Specimen Results

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Phylum

Pteridophyta (51)

Order

Bellerophontida (1)

Coenopteridales (16)

Cordaitales (1)

Equisetales (9)

Euomphalina (1)

Marattiales (13)

Murchisoniina (1)

Class

Family

Alethopteridaceae (5)

Bellerophontidae (1)

Calamitaceae (9)

Cordaitaceae (1)

Euomphalidae (1)

Marattiaceae (13)

Medullosaceae (8)

Genus

Alethopteris (5)

Alloiopteris (16)

Amphiscapha (1)

Bellerophon (1)

Codonotheca (2)

Murchisonia (1)

has media

Has media (116)

Has no media (315)

Individual/Organization

Sternberg, G.F. (18)

Walker, M.V. (51)

Gnidovec, D.M. (16)

Lockhard, W. (20)

Potter, F.W. (207)

Period

Pennsylvanian (433)

Formation

Mazon Creek (53)

Upper Stanton (2)

Member

Tonganoxie (206)

State/Province

County