Faber, M.J. & Moolenbeek, R. (1987). On the doubtful records of Alvania platycephala, Alvania pagodula and Alvania didyma, with the description of two new rissoid species (Mollusca Gastropoda Rissoidae). Beaufortia. 37(4): 67-71.
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Faber, M.J. & Moolenbeek, R.
1987
On the doubtful records of <i>Alvania platycephala</i>, <i>Alvania pagodula</i> and <i>Alvania didyma</i>, with the description of two new rissoid species (Mollusca Gastropoda Rissoidae)