- family: Agelenidae
- family: Ctenidae
- family: Dictynidae
- family: Dipluridae
- family: Leptonetidae
- family: Mysmenidae
- family: Nesticidae
- family: Pholcidae
- genus: Anopsicus
- species: Anopsicus bispinosus (Gertsch, 1971)
- species: Anopsicus bolivari (Gertsch, 1971)
- species: Anopsicus elliotti (Gertsch, 1971)
- species: Anopsicus evansi (Gertsch, 1971)
- species: Anopsicus exiguus (Gertsch, 1971)
- species: Anopsicus gruta (Gertsch, 1971)
- species: Anopsicus mitchelli (Gertsch, 1971)
- species: Anopsicus pearsei Chamberlin & Ivie, 1938
- species: Anopsicus speophilus (Chamberlin & Ivie, 1938)
- species: Anopsicus troglodyta (Gertsch, 1971)
- genus: Coryssocnemis
- genus: Ixchela
- genus: Metagonia
- species: Metagonia amica Gertsch, 1971
- species: Metagonia atoyacae Gertsch, 1971
- species: Metagonia candela Gertsch, 1971
- species: Metagonia capilla Gertsch, 1971
- species: Metagonia coahuila Gertsch, 1971
- species: Metagonia mcnatti Gertsch, 1971
- species: Metagonia modesta Gertsch, 1986
- species: Metagonia pachona Gertsch, 1971
- species: Metagonia placida Gertsch, 1971
- species: Metagonia punctata Gertsch, 1971
- species: Metagonia pura Gertsch, 1971
- species: Metagonia secreta Gertsch, 1971
- species: Metagonia serena Gertsch, 1971
- species: Metagonia tinaja Gertsch, 1971
- species: Metagonia tlamaya Gertsch, 1971
- genus: Modisimus
- genus: Physocyclus
- genus: Psilochorus
- family: Theraphosidae