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Recognition of the acritarch-based "trifidum flora" (Ordovician) in the absence of the eponymous species
Martin, F.; Dean, W.T. (1996). Recognition of the acritarch-based "trifidum flora" (Ordovician) in the absence of the eponymous species. Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 66: 5-13
In: Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. Aardwetenschappen = Bulletin de l'Institut Royal des Sciences Naturelles de Belgique. Sciences de la Terre. KBIN: Bruxelles. ISSN 0374-6291, more
Peer reviewed article  

Available in Authors 
    VLIZ: Open Repository 255740 [ OMA ]

Author keywords
    "trifidum" flora, acritarchs, Tremadoc-Arenig

Authors  Top 
  • Martin, F.
  • Dean, W.T., editor

    The term "trifidum flora" was based on acritarchs from, possibly, the Tetragraptus approximatus Biozone of northwest England. It has been suggested as an index horizon for the base of the Arenig Series but may represent a number of assemblages of slightly different age, and the index species. Stelliferidium trifidum, first described from the Tremadoc Series of Shropshire, is not always present. The diagnostic potential of other acritarchs, especially Peteinosphaeridium sp., is noted and relevant material from south central and southeast Turkey reviewed.

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