File:EB1911 Scyphomedusae - Development of Aurelia.jpg
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EB1911_Scyphomedusae_-_Development_of_Aurelia.jpg (342 × 492 pixels, file size: 43 KB, MIME type: image/jpeg)
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Summary
| Description |
English: Development of Aurelia. Above to left, young scyphistoma with four perradial tentacles. Below to left, scyphistoma with sixteen tentacles and first constriction. To the right, strobila condition of the scyphistoma, consisting of thirteen metameric segments; the uppermost still possesses the sixteen tentacles of the scyphistoma; the remainder have no tentacles, but are ephyrae, each with eight bifid arms (processes of the disc). Each segment when detached becomes an ephyra, such as that drawn in File:EB1911 Scyphomedusae - Later development of Chrysaora and Aurelia.jpg, E, F. |
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| Date | published 1911 | |||
| Source | “Scyphomedusae,” Encyclopædia Britannica (11th ed.), v. 24, 1911, p. 524, fig. 12. | |||
| Author | From Gegenbaur. | |||
| Permission (Reusing this file) |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:34, 15 December 2018 | | 342 × 492 (43 KB) | Library Guy | {{Information |description ={{en|1=Development of ''Aurelia''. Above to left, young scyphistoma with four perradial tentacles. Below to left, scyphistoma with sixteen tentacles and first constriction. To the right, strobila condition of the scyphistoma, consisting of thirteen metameric segments; the uppermost still possesses the sixteen tentacles of the scyphistoma; the remainder have no tentacles, but are ephyrae, each with eight bifid arms (processes of the disc). Each segment when detach... |
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