| Proales theodora, lateral view of specimen from (3). This species feeds on diatoms. |
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| Proales theodora, upper image: this specimen has two ?glands? located on the left and right side beside the stomach, associated with the nephridia, with ring-like structures of unknown function. Lower image: detail (2) |
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| Proales theodora, another specimen from location (4) with the same structure. |
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| Proales theodora, specimen from location (5) without this structure. The arrowhead points to one of the flame celles in the nepridial system. |
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| Proales theodora, lateral view of specimen from (2) carrying an egg. |
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| Proales theodora, lateral view, specimen from (1) |
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| Proales theodora, left image: detail of the posterior part: foot with toes. The arrowhead points to the tail; the triangles mark the ventral foot glands with granular content. Right image: frontal view of the head with double eyespot and 3 uncinal teeth (arrowheads).(2) |
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| Proales theodora, malleate trophi. Fu: fulcrum; Ma: manubrium; Ra: ramus; Un: uncus. (3) |
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| Proales theodora, another specimen from (8) |
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Species ID confirmed by courtesy of W. De Smet, Belgium. |
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| Location: Wetter/Ruhr, Harkortsee (2); |
| Habitat: between filamenous algae (Melosira sp.) (2) |
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