Bulinus cf. forskalii ( Ehrenberg, 1831 )

Schultheiss, Roland, Ndeo, Oscar Wembo, Malikwisha, Meni, Marek, Carina, Bössneck, Ulrich & Albrecht, Christian, 2011, Freshwater molluscs of the Eastern Congo: notes on taxonomy, biogeography and conservation, African Invertebrates 52 (2), pp. 265-284 : 273

Bulinus cf. forskalii ( Ehrenberg, 1831)

Fig. 2G

Isidora forskalii: Ehrenberg 1831: 20 , pl. 20. (Type locality: Damietta, Egypt)

Taxonomic remarks: The shell morphology and dimensions of this species vary considerably, which led to a large number of named species (see Mandahl-Barth 1957 b for a list of synonyms). The species is similar to B. scalaris , which in turn is morphologically similar to B. canescens . All three species have the same chromosome number (2n = 36; Brown 1994).

Habitat description: We found this species in the slowly flowing creek Mangodoku ( Fig. 4J) as well as in the Kangambili R., both in the vicinity of Mambasa village. The substrate was dominated by clay and detritus. This may be a new report for this species, which is currently not mentioned in the IUCN list for this area.

Collecting sites: 21, 22.

IUCN Red List Category: Least Concern ( B. forskalii ) ( Appleton et al. 2009 b).