High in Canada’s Rocky Mountains, the animals of an ancient ecosystem can be seen battling for life. The fossils of the Burgess Shale offer a glimpse at the incredible diversity of early life on ...

An exception was the mysterious "small shelly fauna" -- minute shelled animals that are hard to categorize -- that left abundant fossils in the early Cambrian. Recently, minute fossil embryos ...

Scientists Stunned to Unearth 500-Million-Yr-Old 3D Cambrian Trilobites Fossils in Best Preserved Condition in Volcanic Ash ...

However, a close look at Cambrian-age (541 million years to 485 million years ago) fossils of Scalidophora, a subgroup of Ecdysozoa found in marine environments, has revealed the source of these ...

Dr Garwood explains: ‘The evolutionary events during the Ediacaran–Cambrian transition are unparalleled in Earth history. That’s because current fossil records suggests that many animal groups alive ...

ROYAL ONTARIO MUSEUM INVERTEBRATE PALAEONTOLOGY (ROMIP) SPECIMEN 41145; All fossils photographed ... Arthropods were the most diverse animal group in the Cambrian period and the Ordovician period ...

3 min read The Cambrian period ... Representing the oldest known backboned animals with living relatives, the fossils showed that our vertebrate ancestors entered the evolutionary story some ...

Scientists have unraveled the evolutionary history of the ventral nerve cord in ecdysozoan animals ... analysed the fossils from key Cambrian deposits. The fossils included Scalidophora, a ...

Some of the best information about early animals comes from fossils dating back to the Cambrian period, which started around 541 million years ago. During this time, Earth experienced a burst of ...

Trace fossils are preserved in places where subsequent mountain-forming forces did not destroy the original structure of the Cambrian sediments. These trace fossils record the oldest burrowing and ...

These fossils include representatives of ... particularly in segmented animals. During the Precambrian-Cambrian transition, changes in the nervous and muscular systems were likely tied to the ...

An exceptionally well-preserved collection of fossils discovered in eastern Yunnan Province, China, has enabled scientists to solve a centuries-old riddle in the evolution of life on earth ...