Fossilised giant horsetail (Calamites sp.) trunk. The horsetails are a prehistoric family of vascular plants that reproduce by spores rather than seeds. This specimen is from the Late Carboniferous period (320-290 million years ago) and was found in the UK | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Natural History Museum, London |
Bildgröße: | 4698 px × 3720 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |