Petrunkevitch, A. (1949). A study of Palaeozoic Arachnida. Transactions of the Connecticut Academy of Arts and Sciences 37: 69–315.
| Taxon | |
|---|---|
| Prokoenenia wheeleri (Rucker, 1901) (Palpigradi: Prokoeneniidae) | n/a, fig. 13, Prokoenenia wheeleri (Rucker) |
| Palpigradi Thorell, 1888 | 261, Palpigradi |