First Winged Mammals From The Jurassic Period Discovered In China
As the dinosaurs crashed around on the forest trading floor , the early relatives of mammalian were flitting from tree diagram to tree above their heads . Two new beautifully keep fossil show that the extinct relative to modern mammalshad evolved sailplaning flightat least 100 million years before our own direct lineage would do so itself . Dating around 160 million long time one-time , the fogy gliders are part of what is known as the “ crown group ” of mammals , or the animals that gave rise to “ truthful ” mammalian , which let in marsupials and placentals ....