| Citation | Behrens, D.W. and A. Hermosillo, 2005 Eastern Pacific Nudibranchs: A guide to the Opisthobranchs from Alaska to Central America. Sea Challengers. Monterey, CA. 137 p. |
| Ref. | 822 Behrens, D.W. and A. Hermosillo, 2005 |
| Page | 48 |
| Named Used as Valid | Alderia modesta |
| Locality | |
| Distribution | North Atlantic and Eastern Pacific. |