This is a interesting plate with a lead tip of Neuropteris rarinervis together with Alethopteris serli from the Llewellyn Fm of St. Clair. The fossil leafs from the Llewellyn Formation show usually a attractive silver white preservation. | |||
Location: | St Clair, Schuylkill County, Pennsylvania, USA | ||
Size of plate: | about 105 x 60 mm | ||
Age: | Carboniferous (Pennsylvanian), Llewellyn Formation (about 320 Ma) |