Prehistoric marine life. Ostracoderms ( shell-skinned ) were the armored jawless fishes such as pteraspis. The Placoderms (plate-skinned),climatius and hemicyclaspis were among the first armored jawed fish | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Sutton, Spencer |
Bildgröße: | 2888 px × 3470 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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