Large sized volute shell with a rounded shoulder, a tall spire and a wide mouth. The outer surface is longitudinally ridged with growth lines, especially at the mouth, The outer surface is stained with green material and has a blotchy purple encrustation on it.
Field CollectionDredged 40ft by m/v Munida. Taiaroa Head
MeasurementsMaximum dimensions (H x W x D): 180 x 78 x 53mm
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