Traits taxon details
original description
(of Gulella (Wilmattina) shabae Adam & Van Goethem, 1978) Adam, W.; Van Goethem, J. L. (1978). Revision du sous-genre Parennea Pilsbry du genre Ptychotrema Mörch (Mollusca-Pulmonata-Streptaxidae). <em>Études du Continent Africain.</em> 5: 1-79. page(s): 58, figs 47, 48. [details] Available for editors 
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