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Urnochitina urna
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Urnochitina urna

plankton

Learn about this topic in these articles:

Pridoli Series

  • Silurian Period
    In Pridoli Series

    …(a type of marine plankton), Urnochitina urna and Fungochitina kosovensis, first occur at or just above the base of the series. The earliest known simple vascular land plants, of the genus Cooksonia, typically occur in the lower portions of the Pridoli Series in many parts of the world. The Pridoli…

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