Three new species of the spider genus (Araneae, Mesothelae, Liphistiidae) from Thailand.

We diagnose and describe three new species of the primitively segmented spider genus from Thailand, based on male palp and female genital morphology: Zhan & Xu, (♂♀), Zhan & Xu, (♂♀), and Zhan & Xu, (♂♀). The classification of the three new species of is discussed: and are assigned to the -group, and is placed in the -group according to male palp and female genital morphology.