- family: Amaurobiidae
- genus: Iwogumoa
- species: Iwogumoa acco (Nishikawa, 1987)
- species: Iwogumoa dicranata (Wang et al., 1990)
- species: Iwogumoa ensifer (Wang & Ono, 1998)
- species: Iwogumoa illustrata (Wang et al., 1990)
- species: Iwogumoa insidiosa (L. Koch, 1878)
- species: Iwogumoa interuna (Nishikawa, 1977)
- species: Iwogumoa longa (Wang, Tso & Wu, 2001)
- species: Iwogumoa montivaga (Wang & Ono, 1998)
- species: Iwogumoa pengi (Ovtchinnikov, 1999)
- species: Iwogumoa songminjae (Paik & Yaginuma, in Paik, Yaginuma & Namkung, 1969)
- species: Iwogumoa sparus (Dankittipakul, Chami-Kranon & Wang, 2005)
- species: Iwogumoa taoyuandong (Bao & Yin, 2004)
- species: Iwogumoa tengchihensis (Wang & Ono, 1998)
- species: Iwogumoa xinhuiensis (Chen, 1984)
- species: Iwogumoa yaeyamensis (Shimojana, 1982)
- species: Iwogumoa yushanensis (Wang & Ono, 1998)