Morphological Studies on the Family Planorbidae (Mollusca: Pulmonata). I. Genital Organs of Helisoma trivolvis (Say) (Subfamily Helisomatinae F. C. Baker, 1945)
- 1 April 1954
- journal article
- Published by JSTOR in Transactions of the American Microscopical Society
- Vol. 73 (2), 103
- https://doi.org/10.2307/3223749