File:EB1911 Foraminifera - Operculina laid open.jpg
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EB1911_Foraminifera_-_Operculina_laid_open.jpg (744 × 436 pixels, file size: 145 KB, MIME type: image/jpeg)
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[edit]DescriptionEB1911 Foraminifera - Operculina laid open.jpg |
English: 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 point to the secondary pores. g, g, Non-tubular columns. |
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Date | published 1911 | ||||
Source | “Foraminifera,” Encyclopædia Britannica (11th ed.), v. 10, 1911, p. 631, fig. 9. | ||||
Author | Marcus Manuel Hartog | ||||
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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 (talk | contribs) | {{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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