Literature
- Minichev, Y. S. 1976. On the morphology of pelagic mollusca Pneumoderatidae (Opisthobranchia, Gymnosomata) from Antarctic waters. Expl. fauna. seas XVIII (XXVI): 102-106.
- Spoel, S. van der and Pafort-van Iersel, G. J. S. 1982. Pneumoderma degraaffi n. sp., a pteropod new to science (Mollusca, Opistobranchia). Bull. zool. Mus. Univ. Amst. 9 (3): 17-20.