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Calamites pachyderma Ad. BRONGNIART, 1828

Fossil specimen

Taxonomy

Sphenophyta
Calamitaceae
Calamites pachyderma Ad. BRONGNIART, 1828

Origin

Auvergne-Rhône-Alpes
Loire
Saint-Etienne
Saint-Etienne
45° 25' 12'' N ; 4° 25' 12'' E

Stratigraphy

Paléozoïque
Carbonifère