MolluscaBase source details
Bruggen, A. C. van. (1990). Studies on the Streptaxidae (Mollusca, Gastropoda, Pulmonata) of Malawi. 1. A new species of Ptychotrema from northern Malawi. Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. 93(2): 97–104.
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Bruggen, A. C. van
1990
Studies on the Streptaxidae (Mollusca, Gastropoda, Pulmonata) of Malawi. 1. A new species of <i>Ptychotrema</i> from northern Malawi.
Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen
93(2): 97–104
Publication
Ptychotrema loveridgei van Bruggen, 1990 (original description)
