Fossil of a Williamsonia leaf from the Middle Jurassic Period. Williamsonia had hermaphroditic flowers and grew in marshy conditions. It is related to modern-day cycads. This leaf is preserved as a thin carbon film on sandstone | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Biophoto Associates |
Bildgröße: | 3401 px × 5136 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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