World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Retusa truncatula var. mammilata [sic]. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=246134 on 2026-08-25
Philippi, R. A. (1836). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium quae in itinere suo observavit. Vol. 1. xiv + 267 p., pls. 1-12. Sumptibus Simonis Schroppii et Sociorum. Berolini [Berlin].
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