Roughly circular, smooth and concave valve of a fossil bivalve. Has a layer of material on its internal surface, possibly matrix. Surface is shiny in places.
ReferencesDescriptions of New Tertiary Mollusca from Canterbury; Captain F.W. Hutton
Cenozoic Mollusca of New Zealand; Mr A.G. Beu, Mr P.A. Maxwell
MeasurementsMaximum dimensions (H x W x D): 21 x 83 x 72mm
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