Cambrian shell fossils reveal predator-prey battles shaped evolution, as predators attacked and prey adapted by developing ...

It has long been suspected that the sparseness of the pre-Cambrian fossil record reflects these two problems. First, organisms may not have sequestered and secreted much in the way of fossilizable ...

Researchers Crack Centuries-Old ‘Skeleton’ Mystery With Help of 550-Million-Yr-Old Fossils, Reveal What Ancient Animals ...

The few complete fossils that have been ... The archaic sponge reef-dwellers of the Cambrian gave way to bryozoans—tiny, group-living animals that built coral-like structures.

An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, ...

They include corals, jellyfish and anemones ... Roger Mason and Tina Negus - and was the first ever Pre-Cambrian fossil to come to light. Charnia was also later identified in the rocks that ...

Photographed at the Elizabeth Moore International Center for Coral Reef Research ... to early chordates in the Cambrian such as Pikaia gracilens (the fossil shown here). Fishy yet not a fish ...

These fossils, dated to approximately 535 million years ago, were found in the early Cambrian Kuanchuanpu biota in southern Shaanxi Province, China. The research, led by Professor Zhang Huaqiao ...

it's when most of the major animal groups appear in the fossil record. The Ediacaran species largely disappear when the Cambrian explosion happens. As such, they straddle an ancient age when the ...

Lead researcher Ian Hughes, a Ph.D. candidate from Harvard's Department of Organismic and Evolutionary Biology, expressed the excitement surrounding the find, noting, "Ecdysozoans were prevalent in ...

An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, a key component of the central nervous system, evolved in ecdysozoan ...