MolluscaBase source details
Bland, T. & Binney, W. G. (1871). On the lingual dentition of Helicina occulta. American Journal of Conchology. 7(1): 29-30, pl. 2, fig. 6.
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Bland, T. & Binney, W. G.
1871
On the lingual dentition of <i>Helicina occulta</i>
American Journal of Conchology
7(1): 29-30, pl. 2, fig. 6
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