Spoel, S. van der. (1971). New forms of
Diacria quadridentata (de Blainville, 1821),
Cavolinia longirostris (de Blainville, 1821) and
Cavolinia uncinata (Rang, 1829) from the Red Sea and the East Pacific Ocean (Mollusca, Pteropoda).
Beaufortia. 19 (243): 1-20.