Pakistan, Oct. 11 -- An international team led by Chinese scientists has discovered a rare, 160-million-year-old fossil in northeastern China. The specimen belongs to a newly identified species named Megacoadon songi. Researchers say it represents the largest known docodont, an extinct group of early mammal relatives. The findings appeared online in the scientific journal Nature on October 7.

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Scientists found the fossil near Ningcheng in Inner Mongolia, northern China. The animal measured approximately 52 centimetres long and weighed an estimated two kilograms. Its skull remains clearly preserved, alongside a robust body structure. One of its most distinctive features is an unus...