mercoledì 13 luglio 2016

NYT Science: New Dinosaur and T. Rex Were Brothers in Tiny Arms

New Dinosaur and T. Rex Were Brothers in Tiny Arms
By NICHOLAS ST. FLEUR

Gualicho shinyae was found to have evolved its stubby arms independently, suggesting there was some evolutionary advantage to the small size.

Published: July 14, 2016 at 06:00AM

via NYT Science http://ift.tt/29SEYi3