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Data last updated
Thu 1 January 2026
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nominal species Sphaerium oblongum Clessin, 1877
Sphaerium oblongum Clessin, 1877
Clessin, 1877. Conch. Cab. 9(3): 83, pl. 9, figs. 25-27.
Clessin, 1877. Deutsche Excurs. Moll. Fauna: 484.
= Taxonomic Opinions+ Sphaerium (Grüppe Corneola) corneum var. firmum Clessin — Clessin, 1877
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