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Version 45.01 went live on 7th July, 2019.

Cirsonella extrema

Thiele, J., 1912 Shell size to 3.2 mm South Shetlands
Taxonomic Information
ClassGASTROPODA VETIGASTROPODA
OrderTROCHIDA
SuperFamilyTROCHOIDEA
FamilySKENEIDAE
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Shells of Antarctica
Bolletino MalacologicoVol. 27/10-12, p 159; 212/B
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