Contact: Charlotte Hsu
University at Buffalo
Caption: This is a Rhabdopleura compacta zooid. A new study identifies rhabdopleurids as an ancestor of more elaborate species that have since died off.
Credit: Dr. Atsuko Sato, University of Oxford
Usage Restrictions: This image may only be used in connection with stories about the research outlined in the news release.
Related news release: Ancient, bottom-dwelling critter proves: Newer isn't always better