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November 19 2012

Rare Fossil Points to Toxic Oceans in Devonian Period


A study, published in the journal Geology, shows that hydrogen sulphide dependant organisms – known as Chlorobi – and sulphate-reducing bacteria had preserved the shell and the muscles of the crab-like creature.

“The research presents organic geochemistry as a new tool for paleontologists, enabling them to identify invertebrate fossils and reconstruct their environments from a molecular point of view,” explained lead author Ines Melendez, a PhD student at the Curtin University.

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