Revision of the fossil ferns from the Potomac group which have been referred to the genera Cladophlebis and Thyrsopteris
Revision of the fossil ferns from the Potomac group which have been referred to the genera Cladophlebis and Thyrsopteris1911
Details
- First published
- 1911
- OL Work ID
- OL42949573W
Subjects
Fossil FernsPaleobotany