Gittenberger, E. (1993). On the only Greek Sphincterochila species, two Libyan close relatives, Cerigotella subgen. nov., and an extended diagnosis of the Sphincterochilidae (Mollusca, Gastropoda Pulmonata). Zoologische Mededelingen, 67 (39): 529-535. Leiden [24 December].
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Gittenberger, E.
1993
On the only Greek Sphincterochila species, two Libyan close relatives, Cerigotella subgen. nov., and an extended diagnosis of the Sphincterochilidae (Mollusca, Gastropoda Pulmonata)