basis of recordBergonzoni M. (2013) The <i>Zonaria pyrum</i> complex. <i>Beautifulcowries Magazine</i> 3: 35-56.[details]
additional sourceBernard P.A. (1984). Coquillages du Gabon [Shells of Gabon]. Pierre A. Bernard: Libreville, Gabon. 140 pp, 75 plates, illus. (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality