The genetic distance between Brachinorus plicatilis and Dictyostelium discoideum is the nearest and that between Brachinorus plicatilis and Caenorhabditis elegans is farthest.

• 将褶皱臂尾轮虫的此氨基酸序列与其它七种生物的相应序列比对并构建进化树，发现其与Dictyostelium discoideum（阿米巴虫）遗传距离最近，与Caenorhabditis elegans（线虫）最远。