Herrin Fossil Flora
Filicopsida - Ferns
Pinnae 4
Oligocarpia gutbierii
Oligocarpia gutbierii, (Page 4, Fig. 11. Herrin Roof Shale Flora field guides, ESCONI/Wittry). - A.Young
A.Young
Above and below (detail): Oligocarpia gutbierii. - M.Angkuw
Oligocarpia gutbierii in a concretion - M.Vonhof
Oligocarpia gutbierii (right) with Alethopteris sp. - A.Young
Above and below: Oligocarpia gutbierii - L.Bertsch
Pecopteris platynervis
Pecopteris platynervis, (Page 5, Fig. 1. Herrin Roof Shale Flora field guides, ESCONI/Wittry). - A.Young
A.Young
Pecopteris daubreei (?)
Pecopteris daubreei, M.Angkuw