Barrows, W.M. (1925). Modification and development of the arachnid palpal claw, with especial reference to spiders. Annals of the Entomological Society of America 18: 483–516.
| Taxon | |
|---|---|
| Ricinoides crassipalpe (Hansen and Sørensen, 1904) (Ricinulei: Ricinoididae) | 487, fig. 9, Cryptostemma crassipalpe |
| Eremobates constrictus (Putnam, 1883) (Solifugae: Eremobatidae) | 495, figs 30–31, Datames constricta |
| Ammotrechella stimpsoni (Putnam, 1883) (Solifugae: Ammotrechidae) | 495, figs 27, 33, Cleobis stimpsoni Putnam |
| Eremobates formicarius (C.L. Koch, 1842) (Solifugae: Eremobatidae) | 495, figs 26, 28–29, Datames formicaria (C.L. Koch) |
| Mastigoproctus giganteus (Lucas, 1835) (Uropygi: Thelyphonidae) | 500, figs 34–35, Mastigoproctus giganteus (Lucas) |