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Keywords from Image Description:
PZSLPlateMollusca. Nanina vitrinoides GrayBenson Sow Sowerby Sow Burrow Sow Sowerby Reeve Reeve Proceedings of the Zoological Society of London archive org vol org page plate Mollusca II published Sowerby PDold PZSL Plates of Gastropoda requiring extraction Macrochlamys indica Tropidophora Tomigerus Orthalicidae