• Source: Lyginopteridaceae
    • Lyginopteridaceae is an extinct family of plants (Pteridospermatophyta) in North America and European Carboniferous coal measures.


      Description


      Lyginopteridaceae were shrubs and vines with radiospermic ovules containing a lagenostome. They consisted of forms with monostelic stem petioles usually with single strand and small seeds. Family members include Lyginopteris and Heterangium.


      References




      External links


      "Fossilworks: Lepidopteris". paleodb.org. Retrieved 2016-03-18.
      "On Paleozoic plants from marine strata". amjbot.org. Retrieved 2016-04-08.

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