CBC.ca5 年
Meet the weird, wacky and wonderful creatures that lived in Cambrian seas over 500 million ...
The Cambrian sea was a very strange and alien place. Evolutionary biologist Stephen Jay Gould described the animals that lived there in his book Wonderful Life: The Burgess Shale and the Nature of ...
National Geographic news6 个月
Cambrian Period
with a warming climate and rising sea levels flooding low-lying landmasses to create shallow, marine habitats ideal for spawning new life-forms. Nevertheless, the scale of the Cambrian Explosion ...
The Economist9 天
Of all the geological periods, the Triassic was the most fabulous
The Triassic is a tale of two histories. One is its natural history, begun after the Great Permian Dying, 252m years ago, ...
来自MSN11 个月
20 Million Years After The Cambrian Explosion, A Poisonous Gas Wave Wiped Out Nearly Half ...
20 Million Years After The Cambrian Explosion, A Poisonous Gas Wave Wiped Out Nearly Half Of All Sea Life On Earth, According To Recent Research Story by Emily Chan • 11mo ...
National Geographic news13 年
Ordovician Period
The archaic sponge reef-dwellers of the Cambrian gave way to bryozoans—tiny, group-living animals that built coral-like structures. Ordovician reefs were also home to large sea lilies ...