九峰掠蛛，动物界-节肢动物门-蛛形纲-蜘蛛目-平腹蛛科-掠蛛属。维基百科Drassodes is a spider genus in the family Gnaphosidae. They can reach a length of about 20mm; the brownish spiders live under rocks or bark in mostly dry habitats.References[edit]Platnick, Norman I. (2007): The world spider catalog, version 8.0. American Museum of Natural History. Gnaphosidae