1. Ayling AM, Ayling AL (1987) Ningaloo Marine Park: preliminary fish density assessment and habitat survey with information on coral damage due to Drupella cornus grazing. A report prepared for the Department of Conservation and Land Management, Western Australia. Sea Research. AM and AL Ayling P.M.B. 1, Daintree, Queensland 4873, Australia, pp 1?85
2. Boucher LM (1986) Coral predation by muricid gastropods of the genus Drupella at Enewetak. Marshall Islands. Bull Mar Sci 38:9?11
3. Ebert TA, Russell MP (1992) Growth and mortality estimates for red sea urchin Strongylocentrotus franciscanus from San Nicolas Island, California. Mar Ecol Prog Ser 81:31?41
4. Feare CJ (1970) Aspects of the ecology of an exposed shore population of dogwhelks Nucella lapillus (L.). Oecologia 5:1?18
5. Forde MJ (1992) Populations, behaviour and effects of Drupella cornus on the Ningaloo Reef, Western Australia. In: Turner S (ed) Drupella cornus: a synopsis. Proceedings of a workshop held at the Department of Conservation and Land Management, Como, Western Australia 21?22 November 1991 CALM Occasional Paper No. 3/92, pp 45?50