Poirieria zelandica, common name the spiny murex, is a species of a large predatory sea snail with an operculum. It is a marine gastropod mollusc in the family Muricidae, the rock snails or murex snails.WoRMS
Description Shells of Poirieria zelandica can reach a size of . These shells are roughly fusiforms, with long, straight spines. The aperture is ovate and large. The outer lip is thin.George E. Radwin, Anthony D'Attilio Murex Shells of the World: An Illustrated Guide to the Muricidae
Distribution This species can be found in Tasmania and New Zealand.New Zealand Mollusca
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References
Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 Glen Pownall, New Zealand Shells and Shellfish, Seven Seas Publishing Pty Ltd, Wellington, New Zealand 1979