Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
The horizontal gene transfer (HGT) occurred after Euphasmatodea and Timematodea [identified by the single representative genus, Timema] diverged. Polyneopteran phylogenetic relationships and divergence times (in millions of years ago) are based on Misof et al.20 and Bradler et al.12.
