Calamites suckowi

Casts of the central pith-cavity of the trunk are very common fossils of Calamites. They are characterized by the articulation and the vertical ribbing between the nodes. The ribs are the imprints of the vascular strands.
Graissessac (Fr)
Stephanian
Height of the photo 20 cms

Detail
Diaphragm
Scar of a branch
Calamitina
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