| Citation | Child, C.A., 1997 Some deep-sea Pycnogonida from the Argentine slope and basin. Proceedings of the Biological Society of Washington 110 (1):128-142. |
| Ref. | 2116 Child, C.A., 1997 |
| Page | 136 - 167 |
| Named Used as Valid | Nymphon longicollum |
| Locality | |
| Distribution | Chile, South Atlantic, Weddell and Ross Sea, New Zealand, Argentine. |