Fossils containing a fragment of the lower jaw and two teeth were found in 215 million years old rocks during an expedition organized by Dr Tomasz Sulej of the Institute of Paleobiology of the Polish Academy of Sciences (PAN). This breakthrough discovery shedding new light on the origin of mammals, was published in the latest issue of the scientific journal “PNAS” – informs the Polish Academy of Sciences.
The newest discovery in Greenland is the oldest representative of the prototheria, which was an intermediate form between the already known insectivorous and herbivorous prototheria from Greenland.
Polish researchers have discovered fossils consisting of a fragment of the lower jaw and two two-root teeth. It has been subject to a comprehensive analysis. Using digital modeling, scientists investigated the strength of the world’s oldest two-root tooth of the prototheria.
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