original descriptionGmelin, J. F. (1791). Caroli a Linné Systema Naturae, ed. 13. Tome 1(6). Vermes. G. E. Beer, Lipsiae [Leipzig]. pp. 3021-3910. , available online athttp://www.biodiversitylibrary.org/item/83098#5 page(s): 3714 [details]
additional sourceAdanson M. (1757). <i>Histoire Naturelle du Sénégal, Coquillages</i>. Bauche, Paris, viii + 275 pp., 19 pls. , available online athttps://www.biodiversitylibrary.org/page/12014153 page(s): pl. 2 fig. 2; note: as "le Liri" (vernacular) [details]