Says the journalist " fossil of the world's earliest bird from the late
Mesozoic".
The article doesn't say much about it's age apart from 'Late Mesozoic'. It
could be anything. But then, it's just an article..
It mentions Fengning. *Protopteryx fengningensis* is regarded as Early
Cretaceous.
Later it calls *Jinfengopteryx* "more primitive than the archaeopteryx"
before declaring the two sistergroups...