Reference : Recognizing and interpreting the fossils of early eukaryotes
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
Recognizing and interpreting the fossils of early eukaryotes
Javaux, Emmanuelle mailto [Université de Liège - ULg > Département de géologie > Paléobotanique - Paléopalynologie - Micropaléontologie (PPM) >]
Knoll, A. H. [Harvard University > > > >]
Walter, M. [>Macquarie university, Sydney Australia > > > > > >]
Origins of Life & Evolution of the Biosphere
Kluwer Academic Publishers
Yes (verified by ORBi)
The Netherlands
[en] chemistry ; early eukaryotes ; evolution ; molecular phylogeny ; morphology ; Proterozoic ; ultrastructure
[en] Using molecular sequence data, biologists can generate hypotheses of protistan phylogeny and divergence times. Fossils, however, provide our only direct constraints on the timing and environmental context of early eukaryotic diversification. For this reason, recognition of eukaryotic fossils in Proterozoic rocks is key to the integration of geological and comparative biological perspectives on protistan evolution. Microfossils preserved in shales of the ca. 1500 Ma Roper Group, northern Australia, display characters that ally them to the Eucarya, but, at present, attribution to any particular protistan clade is uncertain. Continuing research on wall ultrastructure and microchemistry promises new insights into the nature and systematic relationships of early eukaryotic fossils.

File(s) associated to this reference

Fulltext file(s):

Restricted access
Javaux_etal[1].,_2003.pdfPublisher postprint225.66 kBRequest copy

Bookmark and Share SFX Query

All documents in ORBi are protected by a user license.