Red tide fossils point to Jurassic sea flood
June 5, 2018, University of Adelaide
Dinosaur-age fossilised remains of tiny organisms normally found in the sea have been discovered in inland, arid Australia – suggesting the area was, for a short time at least, inundated by sea water 40 million years before Australia's large inland sea existed.
The fossils are the egg-like cysts of microorganisms known as dinoflagellates, best known for producing red tides or algal blooms that can turn the sea water blood red. The cysts rest on the sea floor before hatching new dinoflagellates.
Read more at:
https://phys.org/news/2018-06-red-tide-fossils-jurassic-sea.html#jCp
