File:EB1911 Foraminifera - Operculina laid open.jpg
EB1911_Foraminifera_-_Operculina_laid_open.jpg (744 × 436 pixels, file size: 145 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:09, 19 July 2018 | 744 × 436 (145 KB) | Bob Burkhardt | {{Information |description ={{en|1=''Operculina'' laid open, to show its internal structure. Legend: ''a'', Marginal cord seen in cross section at ''a''’. ''b'', ''b'', External walls of the chambers. ''c'', ''c'', Cavities of the chambers. ''c''′, ''c''′, Their alar prolongations. ''d'', ''d'', Septa divided at ''d''’, ''d''’, and at ''d''”, so as to lay open the interseptal canals, the general distribution of which is seen in the septa ''e'', ''e''; the lines radiating from ''e'', ''e''... |
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