The Pennsylvanian lowlands of western Pangea are most widely known because of their diverse wetland floras of arborescent and herbaceous ferns and arborescent horsetails and clubmosses. credited in large component to taphonomic bias toward preservation of wetland plant life. Prior paleobotanical and sedimentological evaluation from the Markley Development of most recent Pennsylvanian (Gzhelian) age group… Continue reading The Pennsylvanian lowlands of western Pangea are most widely known because