1. Abbott, R.T. 1974.American Seashells. The marine Mollusca of the Atlantic and Pacific Coast, Second edition, 663–663. New York: Van Nostrand-Reinhold Company.
2. Abbott, R.T. and Dance, S.P. 1983.Compendium of Sea-shells248–248. New York
3. Adams, H. and Adams, A. 1853–1858.The genera of Recent MolluscaVol. 1, 484–484. London (1853–1854)vol. 2 (1854–1858), 661 p., vol. 3(1858), 136 pls.
4. Cretaceous/Tertiary geology and macropaleontology of the Waianakarua District, North Otago, New Zealand