Reexamination of Brazilian microfossils from Mato Grosso do Sul reveals they are fossilized bacterial and algal communities, not worm traces.
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Brazilian microfossils interpreted as animal traces are actually algae and bacteria, research reveals
Mato Grosso Do Sul, Brazil Discovery location
Animal Traces From Worms Or Small Oceanic Organisms Previous interpretation
Fossilized Bacteria And Algae Communities Revised finding