| Citation | Häussermann, V. and G. Försterra, 2009 Marine benthic fauna of Chilean Patagonia. Santiago, Nature in Focus. 1000 p. |
| Ref. | 87801 Häussermann, V. and G. Försterra, 2009 |
| Page | 726 |
| Named Used as Valid | Ionella agassizi |
| Locality | |
| Distribution | Probably endemic to Chile. |