Herbert D.G. (1988). Studies on Priotrochus obscurus and the systematics position of Priotrochus (Mollusca: Gastropoda: Trochidae). Journal of zoology 214:561-268.
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Herbert, D. G.
1988
Studies on Priotrochus obscurus and the systematics position of Priotrochus (Mollusca: Gastropoda: Trochidae