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posted by martyb on Tuesday February 11 2020, @10:05PM   Printer-friendly
from the velociraptors-on-hoverboards dept.

Discovery of a North American apex predator 16 million years older than Tyrannosaurus rex.

https://www.theguardian.com/science/2020/feb/10/reaper-of-death-t-rex-dinosaur-species-canada:

Scientists in Canada have announced the discovery of a new species of dinosaur closely related to Tyrannosaurus rex that strode the plain of North America about 80m years ago.

Thanatotheristes degrootorum – Greek for "reaper of death" – is thought to be the oldest member of the T rex family yet discovered in northern North America, and would have grown to around 8m (26ft) in length.

"We chose a name that embodies what this tyrannosaur was as the only known large apex predator of its time in Canada, the reaper of death," said Darla Zelenitsky, assistant professor of dinosaur palaeobiology at Canada's University of Calgary.

"The nickname has come to be Thanatos[*]," she told AFP.

[*] From Wikipedia: Thanatos.

Journal Reference:
Voris, Jared T.; Therrien, Francois; Zelenitzky, Darla K.; Brown, Caleb M. (2020). A new tyrannosaurine (Theropoda:Tyrannosauridae) from the Campanian Foremost Formation of Alberta, Canada, provides insight into the evolution and biogeography of tyrannosaurids. Cretaceous Research: 104388. doi:10.1016/j.cretres.2020.104388.


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  • (Score: 4, Funny) by mhajicek on Wednesday February 12 2020, @04:36AM (1 child)

    by mhajicek (51) on Wednesday February 12 2020, @04:36AM (#957100)

    Should have used imperial years to avoid confusion.

    --
    The spacelike surfaces of time foliations can have a cusp at the surface of discontinuity. - P. Hajicek
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  • (Score: 4, Funny) by kazzie on Wednesday February 12 2020, @07:53AM

    by kazzie (5309) Subscriber Badge on Wednesday February 12 2020, @07:53AM (#957125)

    Those are only good for infinite periods. "Sun never sets" , etc...