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
URL:
http://dx.doi.org/10.1038/320163a0
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