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62 Specimen Results
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Phylum:
Pteridophyta
Country:
United States of America
Filter by
Order
Coenopteridales (16)
Equisetales (11)
Gleicheniales (7)
Marattiales (14)
Trigonocarpales (14)
Family
Alethopteridaceae (6)
Asterophyllites (1)
Calamitaceae (11)
Marattiaceae (14)
Matoniaceae (7)
Medullosaceae (8)
Zygopteridaceae (16)
Genus
Alethopteris (6)
Alloiopteris (16)
Annularia (9)
Calamites (1)
Codonotheca (2)
Laccopteris (7)
Neuropteris (6)
Pecopteris (14)
and 1 more
has media
Has media (1)
Has no media (61)
Individual/Organization
Sternberg, G.F. (18)
Walker, M.V. (8)
Gnidovec, D.M. (16)
Hamm, S.A. (1)
Elias, M.K. (2)
Mrs. Danforth, F. (17)
Period
Pennsylvanian (52)
Triassic (7)
Formation
Altamont (1)
Chinle (7)
Lawrence (2)
Mazon Creek (36)
Stranger (1)
Member
Lake Neosha (1)
State/Province
Arizona (7)
Illinois (35)
Kansas (20)
County
Douglas (2)
Grundy (35)
Linn (1)
Montgomery (1)
Navajo (7)
Wabaunsee (16)