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.
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Spoel, S. van der
1971
New forms of <i>Diacria quadridentata</i> (de Blainville, 1821), <i>Cavolinia longirostris</i> (de Blainville, 1821) and <i>Cavolinia uncinata</i> (Rang, 1829) from the Red Sea and the East Pacific Ocean (Mollusca, Pteropoda)