File:EB1911 Foraminifera - Life Cycle of Polystomella crispa.jpg
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Summary
| Description |
English: Life Cycle of Polystomella crispa.
A, Young megalospheric individual. B, Adult decalcified. C, Later stage, resolving itself into two flagellate gametes. D, Conjugation. E, Microspheric individual produced from zygote. F, The same resolved itself into pseudopodiospores which are growing into new megalospheric individuals. 1, Principal nucleus, and 2, subsidiary nuclei of megalospheric form. 3, Nuclei. 4, Nuclei in multiple division. 5, Chromidia derived from 4. |
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| Date | published 1911 | |||
| Source | “Foraminifera,” Encyclopædia Britannica (11th ed.), v. 10, 1911, p. 633, fig. 17. | |||
| Author | Marcus Manuel Hartog (modified from F. Schaudinn, in Lang’s Zoologie). | |||
| Permission (Reusing this file) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:01, 21 July 2018 | | 1,067 × 1,402 (468 KB) | Bob Burkhardt | {{Information |description ={{en|1=Life Cycle of Polystomella crispa. ''A'', Young megalospheric individual. ''B'', Adult decalcified. ''C'', Later stage, resolving itself into two flagellate gametes. ''D'', Conjugation. ''E'', Microspheric individual produced from zygote. ''F'', The same resolved itself into pseudopodiospores which are growing into new megalospheric individuals. ''1'', Principal nucleus, and ''2'', subsidiary nuclei of megalospheric form. ''3'', Nuclei. ''4'', Nuclei in m... |
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