Sigillaria sp. plant, illustration. Sigillaria were tree-like plants related to clubmosses and quillworts. They grew up to 30 metres high. Some had a forked trunk at the top as shown here. Sigillaria were found in coal swamps during the Carboniferous Period (354-290 million years ago). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bizley, Richard |
Bildgröße: | 3548 px × 5388 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |