| Citation | Stebbing, T.R.R., 1920 General Catalogue of South African Crustacea (Part X of S.A. Crustacea, for the Marine Investigations in South Africa). Annals of the South African Museum 6:281-593, pls. 15-22. |
| Ref. | 76885 Stebbing, T.R.R., 1920 |
| Page | 263 |
| Named Used as Valid | Hapaloptyx difficilis |
| Locality | Off Natal, South Africa, 168 m |
| Distribution |