Neubert, E. & Frank, C. (1996). A new Gulella (Gulella protruda n. sp.) from Oman (Gastropoda: Pulmonata: Streptaxidae). Archiv für Molluskenkunde, 126 (1/2): 125-127. Frankfurt am Main.
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Neubert, E. & Frank, C.
1996
A new Gulella (Gulella protruda n. sp.) from Oman (Gastropoda: Pulmonata: Streptaxidae)