Wilson B. & Clarkson P. (2004) Australia's spectacular cowries. A review and field study of two endemic genera: Zoila and Umbilia. Odyssey Publishing, El Cajon, California. 396 pp.
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Wilson, B.; Clarkson, P.
2004
i>Australia's spectacular cowries. A review and field study of two endemic genera:</i> Zoila <i>and</i> Umbilia