Herrin Fossil Flora
Pteridosperms - Seed Ferns
Pinnae 4
Macroneuropteris scheuchzerii
Macroneuropteris scheuchzerii, (Page 7, Fig. 8. Herrin Roof Shale Flora field guides, ESCONI/Wittry). - A.Young
Macroneuropteris scheuchzerii showing diagnostic "hairs."- B.Riegler
Macroneuropteris scheuchzerii in a concretion, - C.Puritz
A.Young
Macroneuropteris scheuchzerii orbicular pinnules. - B.Riegler
L.Magnusson
Neuropteris ovata
Neuropteris ovata, (Page 6, Fig. 9. Herrin Roof Shale Flora field guides, ESCONI/Wittry). - A.Young
Neuropteris ovata in a plate of "blistered" black shale. - A.Young
A.Young
Neuropteris flexuosa
Neuropteris flexuosa, (Page 6, Fig. 8. Herrin Roof Shale Flora field guides, ESCONI/Wittry). - B.Riegler
Neuropteris jacksonii (?)
A.Young
Odontopteris aequalis
Odontopteris aequalis, (Page 6, Fig. 10. Herrin Roof Shale Flora field guides, ESCONI/Wittry). - A.Young
Odontopteris aequalis (top center) with Lobatopteris tenuinervis. - A.Young
Odontopteris aequalis in a concretion. - A.Young