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Alvania bartschi
Alvania bartschi is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.[1] DescriptionThe length of the shell attains 1.25 mm, its diameter 0.8 mm.
DistributionFossils of this species were found in late Pleistocene strata at Punta Piedra on the Burica Peninsula, Panama. References
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