Subulona ordinaria (Preston, 1910)

Rowson, B, Warren, B. H. & Ngereza, C. F., 2010, Terrestrial molluscs of Pemba Island, Zanzibar, Tanzania, and its status as an " oceanic " island, ZooKeys 70, pp. 1-39 : 17

23. Subulona ordinaria (Preston, 1910) Fig. 4

Homorus ordinaria Preston 1910: 534; pl. IX, fig. 25

Notes.

Verdcourt (2000) treated this as a forest species but it also occurs in other habitats on Pemba (Table 2). It is known from the Shimba Hills ( Preston 1910; type locality) and from the Sigi Valley in the East Usambara Mts. ( Verdcourt 2006).