fascinating fossil from lagerstaten shows early evolution of arthropod brains. https://www.sciencedaily.com/releases/2021/08/210820111114.htm

And then there's this, hemichordate stem animal  https://www.sciencedaily.com/releases/2020/08/200827141305.htm

And lamprey fossils falsify current theory of chordate evolution, https://www.sciencedaily.com/releases/2020/08/200827141305.htm

Paleoartist discoveries, https://alphynix.tumblr.com/post/645119268530290688/cambrian-explosion-month-08-phylum-hemichordata