Biogeosciences

An Interactive Open Access Journal of the European Geosciences Union

BGD - Special Issue

Primitive life and ancient radiations
Editor(s): B. Lefebvre and F. Marin

The unique skeleton of siliceous sponges (Porifera; Hexactinellida and Demospongiae) that evolved first from the Urmetazoa during the Proterozoic: a review W. E. G. Müller, J. Li, H. C. Schröder, L. Qiao, and X. Wang Biogeosciences Discuss., 4, 385-416, 2007 Abstract The requested discussion paper has a corresponding peer-reviewed final revised paper in the journal Biogeosciences (BG). You are encouraged to refer to the final revised version. Final Revised Paper (BG) Discussion Paper (PDF, 8404 KB) Discussion Paper (PDF, 8404 KB) Interactive Discussion (Closed, 5 Comments) Final Revised Paper (BG)		06 Feb 2007
A geochemical modelling study of the evolution of the chemical composition of seawater linked to a global glaciation: implications for life sustainability G. Le Hir, Y. Goddéris, Y. Donnadieu, and G. Ramstein Biogeosciences Discuss., 4, 1839-1876, 2007 Abstract The requested discussion paper has a corresponding peer-reviewed final revised paper in the journal Biogeosciences (BG). You are encouraged to refer to the final revised version. Final Revised Paper (BG) Discussion Paper (PDF, 7359 KB) Discussion Paper (PDF, 7359 KB) Interactive Discussion (Closed, 5 Comments) Final Revised Paper (BG)		20 Jun 2007
Precambrian palaeontology in the light of molecular phylogeny – an example: the radiation of the green algae B. Teyssèdre Biogeosciences Discuss., 4, 3123-3142, 2007 Abstract Discussion Paper (PDF, 1231 KB) Interactive Discussion (Closed, 4 Comments) Publication in BG not foreseen		10 Sep 2007

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