Pecopteris is a now extinct genus of ferns that lived from the late Devonian and thrived in the Carboniferous period. They were flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward. Closely arranged leaflets standing out perpendicularly or near perpendicularly on the vein, thus resembling a comb, characterize Pecopteris. Specimen is from Stephanien deposits near Leon, Spain. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 3744 px × 5461 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |