Half-a-billion-year-old fossils shed light animal evolution
on earth, University of Manchester, September 11, 2017
http://www.manchester.ac.uk/discover/news/half-a-billion-year-old-fossils-shed-new-light-on-animal-evolution/
https://phys.org/news/2017-09-half-a-billion-year-old-fossils-animal-evolution-earth.html
https://www.sciencedaily.com/releases/2017/09/170911122628.htm
Tha paper is:
Parry, L. A., P. C. Boggiani, D. J. Condon, and others, 2017,
Ichnological evidence for meiofaunal bilaterians from the
terminal Ediacaran and earliest Cambrian of Brazil
Nature Ecology & Evolution. doi:10.1038/s41559-017-0301-9
https://www.researchgate.net/publication/319109419_Ichnological_evidence_for_meiofaunal_bilaterians_from_the_terminal_Ediacaran_and_earliest_Cambrian_of_Brazil
https://www.nature.com/articles/s41559-017-0301-9
Lidya G. Tarhan, 2017, Meiofauna mute the Cambrian Explosion
News and Views, Nature Ecology & Evolution
https://www.nature.com/articles/s41559-017-0324-2
Yours,
Paul H.