^ a bTriantis, K. (2011). "Xerocrassa subvariegata". IUCN Red List of Threatened Species. 2011: e.T156492A4953522. doi:10.2305/IUCN.UK.2011-1.RLTS.T156492A4953522.en. Retrieved 11 November 2021.
^MolluscaBase eds. (2022). MolluscaBase. Xerocrassa subvariegata (Maltzan, 1883). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1050722 on 2022-08-11
^Welter Schultes, F. "Species summary for Xerocrassa subvariegata". AnimalBase. SUB Göttingen. Retrieved 25 July 2014.
^"Taxon Details: Xerocrassa (Xerocrassa) subvariegata (Maltzan 1883)". Fauna Europaea. Archived from the original on August 8, 2014. Retrieved 30 July 2014.
Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16, 2017.
External links
Sauer, J. (2011). Systematics and Evolution of the Helicellinae (Gastropoda:Helicoidea) from Crete, particularly the Xerocrassa radiation (PDF) (Doctoral thesis). University of Hamburg.
Maltzan, H. von. (1883). Diagnosen neuer kretischer Helices. Nachrichtsblatt der deutschen malakozoologischen Gesellschaft. 15: 102-106. Frankfurt am Main.
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