Included taxa
Blackwall, J. (1841b). The difference in the number of eyes with which spiders are provided, proposed as the basis of their distribution into tribes; with the characters of a new family and three new genera of spiders. Annals and Magazine of Natural History (1) 6(36): 229. doi:10.1080/03745484009443287 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Coelotes atropos | Agelenidae | 229 (usage of a new genus name instead of Coelotes, see Bonnet, 1956: 1178) | Cavator saxatilis |
| Dictyna arundinacea | Dictynidae | 229 (superfluous replacement name for Ergatis, see Bonnet, 1956: 1423) | Operaria benigna |
Genera
| Genus | Family | Page |
|---|---|---|
| Operaria Blackwall, 1841 | Dictynidae | 229 |