Terrestrial molluscs of Cabo Delgado and adjacent inland areas of north-eastern Mozambique Author Muratov, Igor V. text African Invertebrates 2010 2010-12-31 51 2 255 255 http://www.bioone.org/doi/abs/10.5733/afin.051.0203 journal article 10.5733/afin.051.0203 2305-2562 10268367 Tropidophora nyasana (Smith, 1899) Fig. 5 Pomatias nyasanus: Smith 1899: 591 , pl. 35, fig. 5 (Mount Chiradzulu , Nyika Range, Zomba Plateau; 20× 21 mm ). Recorded from two stations on Cabo Delgado; has a general distribution in Malawi ( type localities), Mozambique and Zimbabwe . Differs from the other three species of Tropidophora in the region by the presence of numerous regularly spaced spiral cords over the entire shell surface.