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Cooksonia - Two oldest Silurian fossil first land plants. Very nice specimen
Cooksonia - Two oldest Silurian fossil first land plants. Very nice specimen

Cooksonia - Two oldest Silurian fossil first land plants. Very nice specimen

$ 41.71

Availability: 100 in stock
  • Restocking Fee: No
  • Item must be returned within: 30 Days
  • Return shipping will be paid by: Buyer
  • Condition: New
  • All returns accepted: Returns Accepted
  • Refund will be given as: Money Back

    Description

    Amberabg
    Oldest fossil land plant, Very nice specimen. Two plants on slate
    Species: Cooksonia sp.
    Upper Silurian (Ludlowian/Pridolian) of the Holy Cross Mountains, Poland. Kielce region
    Dimension: matrix 60x50mm, plant 10mm
    The first fossil records of vascular plants, that is, land plants with tissues that carry food, appeared in the second half of the Silurian period. The earliest known representatives of this group are the Cooksonia (mostly from the northern hemisphere) and Baragwanathia (from Australia). A primitive Silurian land plant with xylem and phloem but no differentiation in root, stem or leaf, was much-branched Psilophyton. This plant reproducied by spores and respired through stomata on every surface, and probably photosynthesizing in every tissue exposed to light.
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