Mariopteris pteridosperm fossil. Slab of coal shale containing a fossilised specimen of a Mariopteris pteridosperm. This specimen dates from around 300 million years ago,during the Westphalian stage of the Carboniferous. From the Fouquieres-les-Lens coalfield,the Pas-de-Calais region of France,it measures 23 by 25 centimetres. It is part of the Belhis collection at the Museum of Geology in Lille,France | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Mermet, Gilles |
Bildgröße: | 4682 px × 3758 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |