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    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 320 (1986), S. 163-164 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The earliest well-documented angiosperm fossils include pollen grains of Clavatipollenites hughesii, originally described from the late Barremian and Aptian of southern England5'9'10. Couper5 noted the resemblance of these pollen grains to those of the extant chloranthaceous genus Ascarina, and ...
    Type of Medium: Electronic Resource
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