| Citation | Child, C.A., 1996 The Pycnogonida types of William A. Hilton. II. The remaining undescribed species. Proceedings of the Biological Society of Washington 109(4):677-686. |
| Ref. | 2117 Child, C.A., 1996 |
| Page | 678 |
| Named Used as Valid | Nymphon duospinum |
| Locality | |
| Distribution | USA (California), Alaska (Aleutian, offshore Alaskan region). |