Ediacaran worm fossil rolls back origins of animal life

[Oxytropidoceras]

These tracks were made by a foot-long worm on a "death

march" 550 million years ago. Newsweek, Sept. 4, 2019 (has pictures )

https://www.newsweek.com/ancient-worm-tracks-evolution-life-1457624

 

Barras, C., 2019. Ancient worm fossil rolls back origins of

animal life. Nature, 573(7772), p.15.

https://www.nature.com/articles/d41586-019-02556-x

https://www.nature.com/magazine-assets/d41586-019-02556-x/d41586-019-02556-x.pdf

 

Chen, Z., Zhou, C., Yuan, X. and Xiao, S., 2019. Death 

march of a segmented and trilobate bilaterian elucidates 

early animal evolution. Nature, pp.1-4.

https://www.nature.com/articles/s41586-019-1522-7

 

Yours,

 

Paul H.