Fretter V. (1948). The structure and life history of some minute prosobranchs of rock pools: Skeneopsis planorbis (Fabricius), Omalogyra atomus (Philippi), Rissoella diaphana (Alder) and Rissoella opalina (Jeffreys). Journal of the Biological Assiociation of the U.K. 27: 597-632
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Fretter, V.
1948
The structure and life history of some minute prosobranchs of rock pools: <i>Skeneopsis planorbis</i> (Fabricius), <i>Omalogyra atomus</i> (Philippi), <i>Rissoella diaphana</i> (Alder) and <i>Rissoella opalina</i
Jeffreys). <i>Journal of the Biological Assiociation of the U.K