Mastoides is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Enidae.MolluscaBase (2018). Mastoides Westerlund, 1896. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=996259 on 2019-03-11
Species Species within the genus Mastoides include: Mastoides albocostatus (Westerlund, 1896) Mastoides obeliscus Schileyko, 2007 Mastoides orloffensis (Kobelt, 1905)
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