Worm-like fossil This tiny fossil, measuring just a few centimeters, is significant as it is the oldest confirmed ecdysozoan and the only one known from the Precambrian era.

Newly discovered fossil records hint that mold-like unicellular organisms — the common ancestor to all complex life on our planet — arrived over a billion years earlier than previous estimates.

The Symposium, entitled “The Hunt for Precambrian Life: An Integrated Approach”, is to be followed by a half-day (afternoon) Poster Session, intended to focus on detailed examples of ...