Ponsonby, J. H. (1907). Description of two new species of helicoid land-shells from German New Guinea. Proceedings of the Malacological Society of London. 7: 224-225, 3 text-figs.
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Ponsonby, J. H.
1907
Description of two new species of helicoid land-shells from German New Guinea
Proceedings of the Malacological Society of London