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The unique skeleton of siliceous sponges (Porifera;Hexactinellida and Demospongiae) that evolved first from the Urmetazoa during the Proterozoic:a review
unique skeleton siliceous sponges Urmetazoa Proterozoic
2007/5/3
Sponges (phylum Porifera) had been considered as an enigmatic phylum, prior to the analysis of their genetic repertoire/tool kit. Already with the isolation of the first adhesion molecule, galectin, i...