ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[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 ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/320163a0
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