Here is a large plate with servile fossilised fronds of the tree fern species Polymorphopteris polymorpha. This fossil plat plate was found in the Carboniferous of Spain. | |||
Location: | Cuenca de La Magdalena- León, Spain. | ||
Size of plate: | about 330 x 235 mm | ||
Age: | Carboniferous Stephanian (about 320 Ma) |