Carboniferous coal was produced by bark-bearing trees that grew in vast ... that died 320 million years ago shows it had a wingspan of 2.5 feet (0.75 meters). How insects first became airborne ...

for at least 52 million years and in locations across the Southern Hemisphere. "The big stunning result is that every type of insect damage on the fossils survives today on Eucalyptus," said L.

Descended from more archaic relatives, the early true mammals were mainly small insect-eating creatures ... the continents that began some 200 million years ago and sent different landmasses ...