Stanic, R. & S. Schiaparelli. 2007. New finding of living specimens of the rare architectonicid Heliacus (Gyriscus) jeffreysianus (Tiberi, 1867). Boll. Malacol., 43 (9-12): 143-146.
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Stanic, R.; Schiaparelli, S.
2007
New finding of living specimens of the rare architectonicid Heliacus (Gyriscus) jeffreysianus (Tiberi, 1867)