Articles | Volume 4, issue 2
Biogeosciences, 4, 219–232, 2007
https://doi.org/10.5194/bg-4-219-2007

Special issue: Primitive life and ancient radiations

Biogeosciences, 4, 219–232, 2007
https://doi.org/10.5194/bg-4-219-2007
 
03 May 2007
03 May 2007

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 et al.

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