Life in the Precambrian may have been much livelier than
previously thought Vanderbilt University, May 19, 2017
https://www.sciencedaily.com/releases/2017/05/170519084411.htm
https://news.vanderbilt.edu/2017/05/18/life-precambrian-livelier/
"The strange creatures that lived in the Garden of the
Ediacaran more than 540 million years ago, before animals
came on the scene, may have been much more dynamic
than experts have thought."
The paper is:
Darroch, S., A. F., I. A. Rahman, B. Gibson, R. A. Racicot,
and M. Laflamme, 2017, Inference of facultative
mobility in the enigmatic Ediacaran organism Parvancorina.
Biology Letters, 2017; 13 (5): 20170033 DOI: 10.1098/rsbl.2017.0033
http://rsbl.royalsocietypublishing.org/content/13/5/20170033
Yours,
Paul H.