| Citation | Jensen, K.R., 1990 Three new species of Ascoglossa (Mollusca, Opisthobranchia) from Hong Kong, and a description of the internal anatomy of Costasiella pallida Jensen, 1985. pp. 419-432 In B. Morton (ed.) The Marine Flora and Fauna of Hong Kong and Southern China II, Proceedings of the Second International Marine Biological Workshop: The Marine Flora and Fauna of Hong Kong and Southern China. Hong Kong, 2-24 April 1986. Hong Kong University Press. |
| Ref. | 125854 Jensen, K.R., 1990 |
| Page | 429-431 |
| Named Used as Valid | Costasiella pallida |
| Locality | |
| Distribution | Hong Kong. |