A recent 160-million-year-old fossil found by a farmer in China represents what is — now — the oldest-record of post-natal parental care in the world, according to new research from

The fossil — which shows an adult Philydrosauras (a type of choristodere) accompanied by six juveniles — dates to the Middle Jurassic, and notably extends back-in-time the date of the earliest known post-natal parental care amongst animals.

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