Alethopteris, Neuropteris, Cordaites and Calamites
Hand sized slab of black shale covered both sides in well preserved plant remains belonging to at least four different species. Excellent surface detail under magnification.
Upper Carboniferous, Westphalian.
Marles les Mines, Pas de Calais, France.
Specimen : 14 x 17 x 1.5 cm.