Mandahl-Barth, G. (1974). New or little known species of freshwater Mollusca from Zaire and Angola, with remarks on the genus Sierraia Connolly. Revue fe Zoologie Africaine. 88(1): 352-362.
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Mandahl-Barth, G.
1974
New or little known species of freshwater Mollusca from Zaire and Angola, with remarks on the genus <i>Sierraia</i> Connolly