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carbonaceous fossils of Charnia and Hiemalora

Charnia and Hiemalora not preserved as carbonaceous films, these fossils from Siberia are deformations (phantoms) on microbial-algal mats what preserved as carbonaceous films. D. V. Grazhdankin (October 2008). "Carbonate-hosted Avalon-type fossils in arctic Siberia". Geology. 36 (10): 803–806. {{ cite journal}}: Unknown parameter |coauthor= ignored (|author= suggested) ( help)
Aleksey ( Alnagov ( talk) 09:59, 29 July 2009 (UTC)) reply

Can you parse this and re-edit it?

there are two biotas of multicellular organisms and these biotas not having general members, as was considered until recently: It's not just the impenetrable grammar: Would "general members" signify fossils appearing in both biota?-- Wetman ( talk) 03:37, 7 October 2009 (UTC) reply