Bieler, R. & Mikkelsen, P. M. (1988). Anatomy and reproductive biology of two Western Atlantic species of Vitrinellidae, with a case of protandrous hermaphroditism in the Rissoacea. The Nautilus. 102(1): 1-29, figs. 1-68.
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Bieler, R. & Mikkelsen, P. M.
1988
Anatomy and reproductive biology of two Western Atlantic species of Vitrinellidae, with a case of protandrous hermaphroditism in the Rissoacea