Gratecap, D. (2012). "Le genre Amalda en Afrique Australe". Xenophora. 140: 19–29.
Steyn, D.G. & Lussi, M. (1998). Marine Shells of South Africa. An Illustrated Collector's Guide to Beached Shells. Hartebeespoort, South Africa: Ekogilde Publishers. p. 128.{{cite book}}: CS1 maint: multiple names: authors list (link)
Steyn, D. G. & Lussi, M. (2005). Offshore shells of southern Africa: A pictorial guide to more than 750 gastropods. published by the authors. p. 151.{{cite book}}: CS1 maint: multiple names: authors list (link)