Drepanophycus spinaeformis
Left: Reconstruction of the plant after Stewart & Rothwell
(1993).
Right: Stem of Drepanophycus spinaeformis with the characteristic
leaves (spines) with a broad base.
Often they are a bit curved. The upright axes show much less branchings then
those of Sawdonia.
Glasgow (Scotland). Lower Devonian. Height of the photo 10 cm.
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