A. V. Natarajan (1957): Studies on the egg masses and larval development of some prosobranchs from the Gulf of Mannar and the Palk Bay. Proceedings of the Indian Academy of Sciences, vol. 46 (3) (1957),pp. 170-228. Dolium: pp. 187 (PDF; 242 kB), 188 (PDF; 236 kB), 189 (PDF; 175 kB), 190 (PDF; 267 kB). doi:10.1007/BF03052428.
ias.ac.in
A. V. Natarajan (1957): Studies on the egg masses and larval development of some prosobranchs from the Gulf of Mannar and the Palk Bay. Proceedings of the Indian Academy of Sciences, vol. 46 (3) (1957),pp. 170-228. Dolium: pp. 187 (PDF; 242 kB), 188 (PDF; 236 kB), 189 (PDF; 175 kB), 190 (PDF; 267 kB). doi:10.1007/BF03052428.
jbr.gr
Chrisa K.Doxa, Aspasia Sterioti, Maroudio Kentouri, Pascal Divanach: Encapsulated development of the marine gastropod Tonna galea (Linnaeus, 1758) in captivity. In: Journal of Biological Research. Band16. Thessaloniki 2011, S.304–307 (englisch, jbr.gr [PDF; 84kB]).