Comstock, J.H. (1913). The spider book. Doubleday, Page and Co., New York.
| Taxon | |
|---|---|
| Palpigradi Thorell, 1888 | 13–15, Microthelyphonida |
| Koeneniidae Grassi and Calundruccio, 1885 (Palpigradi) | 15, Koeneniidae |
| Prokoenenia wheeleri (Rucker, 1901) (Palpigradi: Prokoeneniidae) | 15, Koenenia wheeleri |
| Eukoenenia florenciae (Rucker, 1903) (Palpigradi: Eukoeneniidae) | 15, Koenenia florenciae |