Included taxa
Pocock, R. I. (1898g). On the scorpions, spiders and solpugas collected by Mr. C. Steuart Betton in British East Africa. Proceedings of the Zoological Society of London 66(3): 497-524, pl. 41-42. doi:10.1111/j.1096-3642.1898.tb03172.x 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Ancylotrypa flaviceps | Cyrtaucheniidae | 506 (Df) | Cyrtauchenius flaviceps |
| Araneus strupifer | Araneidae | 509, pl. 41, f. 3 (Df) | Araneus eresifrons |
| Argiope aurocincta | Araneidae | 512, pl. 41, f. 6, pl. 42, f. 11 (Df) | Argiope aurocincta |
| Caerostris vicina | Araneidae | 514, pl. 41, f. 7 (Dmf) | Caerostris nodulosa |
| Cyclosa formosa | Araneidae | 513 | Salassina formosa |
| Eucratoscelus constrictus | Theraphosidae | 500 (Df) | Eucratoscelus longiceps |
| Eucratoscelus constrictus | Theraphosidae | 502, pl. 41, f. 1 (Dm) | Pterinochilus spinifer |
| Eusparassus bicorniger | Sparassidae | 519, pl. 41, f. 9 (Dm) | Sparassus bicorniger |
| Idiops robustus | Idiopidae | 507 (Df) | Acanthodon robustus |
| Neoscona blondeli | Araneidae | 510, pl. 41, f. 4 (Df) | Araneus bettoni |
| Neoscona blondeli | Araneidae | 511, pl. 41, f. 5, pl. 42, f. 1 (Df) | Araneus taruensis |
| Nilus margaritatus | Pisauridae | 518, pl. 41, f. 8 (Df) | Thalassius margaritatus |
| Pelinobius muticus | Theraphosidae | 503 (Dm) [urn:lsid:nmbe.ch:spidersp:002287] | Phoneyusa bettoni |
| Pisenor notius | Barychelidae | 505, pl. 41, f. 2 (f, Dm) | Pisenorodes höhneli |
| Poltys corticosus | Araneidae | 513, pl. 42, f. 12 (Df) | Poltys corticosus |
| Stegodyphus lineifrons | Eresidae | 516, pl. 42, f. 13 (f) | Stegodyphus lineifrons |
Genera
| Genus | Family | Page |
|---|---|---|
| Eucratoscelus Pocock, 1898 | Theraphosidae | 500 |