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Spirocolpus, Colposigma imparicinctus, imparicinctus, GL2663

Physical Description

Small fossil gastropod shell. Shell is full of matrix, and it has the appearance of the shell being worn away, leaving the shape of the matrix with the shell's internal structure present and only a thin layer of the shell over the matrix.


The Wangaloan and Associated Molluscan Faunas of Kaitangata-Green Island Subdivision; H.J. Finlay, J Marwick
Marwick's Illustrations of New Zealand Shells; Fleming


Maximum dimensions (H x W x D): 12 x 4 x 3.5mm

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