Via PhysOrg:
Researchers from China, Leicester and Oxford have discovered a remarkable fossil which sheds new light on an important group of primitive sea creatures.
The 525-million-year-old fossil belongs to a group of tentacle-bearing creatures which lived inside hard tubes. Previously only the tubes have been seen in detail but this new specimen clearly shows the soft parts of the body including tentacles for feeding.
Details of the discovery have been announced today in the journal Current Biology. The study was funded by the Royal Society and the National Natural Foundation of China....