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Subfamily: Aclyvolvinae Fehse, 2007
Subfamily: Prionovolvinae Fehse, 2007
Subfamily: Ovulinae Fleming, 1828
"One easy way to separate snails from slugs is to look for their eyes. If they are raised from the skin like this then they are a snail. If the eyes are embedded in the skin they are an opisthobranch."
How to cite:
Köhler, E. (2017), published 3 August 2017, Ovulidae Fleming, 1822
available from https://www.Philippine-Sea-Slugs.com/Look-alike/Ovulidae/Ovulidae.htm