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  • Fossil pollen  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Plant systematics and evolution 214 (1999), S. 199-210 
    ISSN: 1615-6110
    Keywords: Angiospermae ; Lactoridaceae ; Fossil pollen ; paleoherbs ; Late Cretaceous ; Tertiary ; Australia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Microfossils which matchLactoris (Lactoridaceae) pollen more closely than those of any other living angiosperm occur in Campanian to Paleogene sediments around the margins of Australia. These are referred to the fossil genus Lactoripollenites (Zavada & Benson 1987). A species belonging to the same genus occurs in older (Turonian-Santonian) deposits off southern Africa but Australian specimens represent not only the most southern, but also the youngest known (Oligocene) records to date. Our data support suggestions that theLactoridaceae were widespread across the Southern Hemisphere during the Late Cretaceous (Lammers & al. 1986,Zavada & Benson 1987). An homology between gymnosperm sacci and the saccus-like structures found in Lactoripollenites and some specimens ofLactoris pollen is contested, as is the use of (anasulcate) apertures to support the primitive position of the family.
    Type of Medium: Electronic Resource
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