Brachiopod fossil (Unispirifer sp.). Unispirifer had a worldwide distribution during the Carboniferous Period,and grew to a width of about 120 mm. It was an articulate brachiopod with a wide,straight hinge and ribbed,convex valves. In this photo,the larger pedicle valve can be seen behind the brachial valve | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Biophoto Associates |
Bildgröße: | 5135 px × 3402 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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