Hirst, S. (1912). Descriptions of new arachnids of the orders Solifugae and Pedipalpi. Annals and Magazine of Natural History (8) 9: 229–237.
| Taxon | |
|---|---|
| Mastigoproctus formidabilis Hirst, 1912 (Uropygi: Thelyphonidae) | 235–237, figs 5–6, Mastigoproctus formidabilis |