Firstman, B. (1973). The relationship of the chelicerate arterial system to the evolution of the endosternite. Journal of Arachnology 1: 1–54.
| Taxon | |
|---|---|
| Prokoenenia wheeleri (Rucker, 1901) (Palpigradi: Prokoeneniidae) | 5, 6–8, fig. 3, Prokoenenia wheeleri (Rucker) |