The 21 species are indicated here by this phylogeny, this evolutionary tree, that shows their genetic relationships, and I've colored in yellow the orb-web-weaving spiders.
这21种蜘蛛通过这个系统演化 被标识出来。这个演化树指出了 它们的基因关系，我用黃色 标出了圆网蜘蛛