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S. D.  Garrity and Levings, S. C., ?A predator-prey interaction between two physically and biologically constrained tropical rocky shore gastropods: direct, indirect and community effects?, Ecological Monographs, vol. 51, no. 3, pp. 267-286, 1981.

S. D.  Garrity and Levings, S. C., ?Aggregation in a tropical neritid?, The Veliger, vol. 27, no. 1, pp. 1-6, 1984.

S. D.  Garrity, ?Some adaptations of gastropods to physical stress on a tropical rocky shore?, Ecology, vol. 65, no. 2, pp. 559-574, 1984.

S. C.  Levings and Garrity, S. D., ?Diel and tidal movement of two co-occurring neritid snails; differences in grazing patterns on a tropical rocky shore?, Journal of Experimental Marine Biology and Ecology, vol. 67, pp. 261-278, 1983.