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Paleontologists Find One-Billion-Year-Old Multicellular Microfossils



Bicellum brasieri, a freshwater protist that lived nearly one billion years ago, had two distinct cell types and could be the earliest multicellular animal ever recorded. Found in the Scottish Highlands, the microfossil reveals a new insight into the transition of single-celled holozoans into more complex multicellular animals. “The origins of complex multicellularity and the […]



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