Signs of life
Cosmos Magazine - Wed 13 Sep 17541 million years ago, some of the earliest mobile organisms left these tracks in the mud.
Half-billion-year-old fossils were left by the earliest complex lifeforms
New Atlas - Tue 12 Sep 17It's hard to get a bearing on the kind of organisms that existed before life absolutely exploded onto the scene during the Cambrian Period. Fossils from the Ediacaran Period before that ...
Tiny worm burrows may reveal when first complex animals evolved
Newscientist - Mon 11 Sep 17Microscopic fossil burrows found in ancient rocks reveal that small worm-like animals existed more than half a billion years ago
Half-a-billion-year-old fossils shed light animal evolution on earth
Phys.org - Mon 11 Sep 17Scientists have discovered traces of life more than half-a-billion years old that could change the way we think about how all animals evolved on earth.
Half-a-billion-year-old fossils shed light animal evolution on earth, Astrobiology Magazine - Wed 13 Sep 17Half-a-billion-year-old fossils shed light animal evolution on Earth, ScienceDaily - Mon 11 Sep 17
Half-a-billion-year-old fossils shed light animal evolution on earth, Eurekalert - Mon 11 Sep 17
New fossils could change understanding of animal evolution
Daily Mail - Mon 11 Sep 17Researchers discovered the fossils in the Corumbá region of western Brazil. The 'trace' fossils are not physical remains such as bones or body parts, but the tracks and burrows left by roundworm ...