This is a preview. Log in through your library . Abstract An extensive collection of fossilized ovules, ovulate cupules, and cupuliferous branching systems from late Devonian deposits of eastern West ...
Diverse and full of sea life, the Earth’s Devonian era — taking place more than 370 million years ago — saw the emergence of the first seed-bearing plants, which spread as large forests across the ...
Journal of Paleontology, Vol. 80, No. 5 (Sep., 2006), pp. 981-992 (12 pages) Two new species of scutelluine styginid trilobites are described from Frasnian strata in the Virgin Hills Formation in the ...
The Great Barrier Reef off the Australian coast. A mass extinction in the Late Devonian period 375 million years ago led to the disappearance of the world's reef systems for 100 million years. The ...
Safe distance: supernova SN 1987A as seen by the ESO Schmidt Telescope. Located 168,000 light-years away, this object posed no danger to Earth. (Courtesy: ESO) The explosion of a nearby star could ...
A paper released this week by University of Illinois Urbana-Champaign astronomy and physics professor Brian Fields makes a case for distant supernovae as a cause of a past mass extinction ...
Will modern coral reefs go extinct? The answer is uncertain, but some of their ancient counterparts managed to dodge a bullet — for a while, at least. Scientists from Osaka Metropolitan University ...