Included taxa
Komatsu, T. (1940). On five species of spiders found in the Ryûgadô Cave, Tosa province. Acta Arachnologica 5(3): 186-195. doi:10.2476/asjaa.5.186 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Cicurina japonica | Cicurinidae | 189, f. 3, 3a-d (Df) [urn:lsid:nmbe.ch:spidersp:061918] | Cicurina parvula |
| Conculus lyugadinus | Anapidae | 190, f. 4, 4a-d (Dmf) | Conculus lyugadinus |
| Cybaeus ishikawai | Cybaeidae | 187 (Df) [N.B.: named after Ishikawa] | Dolichocybaeus isikawai |
| Falcileptoneta melanocomata | Leptonetidae | 186 (Dmf) | Leptoneta melanocomata |
| Nesticella brevipes | Nesticidae | 194, f. 5a-d (f; misidentified per Yaginuma, 1970b: 386) | Theridion pilula |
Genera
| Genus | Family | Page |
|---|---|---|
| Conculus Kishida, 1940 | Anapidae | 190 |
| Dolichocybaeus Kishida, 1940 | Cybaeidae | 186, 187 |