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Very rare early namurian fossil plant extinct fern Sphenopteris praecedens
Very rare early namurian fossil plant extinct fern Sphenopteris praecedens
Very rare early namurian fossil plant extinct fern Sphenopteris praecedens
Very rare early namurian fossil plant extinct fern Sphenopteris praecedens
Very rare early namurian fossil plant extinct fern Sphenopteris praecedens
Very rare early namurian fossil plant extinct fern Sphenopteris praecedens

Very rare early namurian fossil plant extinct fern Sphenopteris praecedens

$ 8.44

Availability: 35 in stock
  • All returns accepted: Returns Accepted
  • Mazon Creek like: Burmite like
  • Mazon Creek age: Pre burmite
  • Refund will be given as: Money back or replacement (buyer's choice)
  • Modified Item: No
  • Return shipping will be paid by: Buyer
  • Item must be returned within: 30 Days
  • Condition: New
  • Restocking Fee: No

    Description

    My specimens are genuine and will be delivered with a "Certificate of authenticity, age and origin"  and scientific papers allowing to plant identification !!!
    I combine shipping costs.
    Each item is different, so please wait with payment after purchase -
    I will send You a combine invoice.
    Usually, it will be cost of shipping the heaviest item.
    Specimen:
    Classic c
    oal age liana like extinct seed fern
    Sphenopteris praecedens
    GOTHAN
    Locality:
    All detailed and accurate data will be provided with the specimen
    Stratigraphy:
    Upper Carboniferous, Middle Pennsylvanian - Namurian B
    Age:
    ca. 325 Mya,
    Matrix dimensions:
    ca. 8,0 x 5,0 x 2,5 cm ( white square on pictures is 1,0 x 1,0 cm )
    Description:
    Poor but very rare specimen of Carboniferous fossil fern species :
    Sphenopteris praecedens
    GOTHAN
    Systematic:
    Division:
    Tracheophyta (Sphenopsida)
    Kingdom:               Chlorobiota
    Plantae
    Family:
    Spheno
    pteridaceae
    Genus:
    Spheno
    pteris (Zeiller 1878)
    Species:
    Sphenopteris praecedens
    GOTHAN