Valerio, C.E. (1981). A new species of Mastigoproctus (Thelyphonidae), the first record of Uropygida from Costa Rica. Bulletin of the American Museum of Natural History 170: 15–17.
| Taxon | |
|---|---|
| Mastigoproctus liochirus Pocock, 1900 (Uropygi: Thelyphonidae) | n/a, fig. 3, Mastigoproctus liochirus |
| Valeriophonus nara (Valerio, 1981) (Uropygi: Thelyphonidae) | 15–17, figs 1–2, 4, Mastigoproctus nara |