File:Conchological Manual Figs 64-70.png
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Summary
| Description |
English: Opercula of spiral univalves (the operculum is a calcareous or horny piece closing the aperture). Fig. 64, multispiral; 65, paucispiral; 66, concentric; 67, articulated; 68, radiated; 69, lammellated; 70, unguiculated. |
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| Date | |||||
| Source | 'A Conchological Manual', available freely at Project Gutenberg | ||||
| Author | George Brettingham Sowerby II, (1812–1884) | ||||
| Permission (Reusing this file) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:00, 9 August 2013 | | 1,495 × 883 (145 KB) | Keith Edkins | == {{int:filedesc}} == {{Information |Description = {{en|Opercula of spiral univalves (the operculum is a calcareous or horny piece closing the aperture). Fig. 64, ''multispiral''; 65, ''paucispiral''; 66, ''concentric''; 67, ''articulated''; 68, ''rad... |
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