A mold or cast fossil of an ancient marine bivalve. The mold is an impression left by the bivalve's hard shell which dissolved away over time | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Shields, Martin |
Bildgröße: | 5019 px × 3360 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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