Marine survivors of a mass extinction at the end of the Paleozoic Era (250 million years ago) include snails,bivalves,and ammonites | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / O'Keefe, Laurie |
Bildgröße: | 3300 px × 3079 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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