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Ectopleura sp. proactinula larva Helgoland 2011

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Ectopleura sp. proactinula larva Helgoland 2011
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170
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CC Attribution 3.0 Germany:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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Production Year2011
Production PlaceHelgoland

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Abstract
Ectopleura sp. (Cnidaria, Hydrozoa, Anthoathecata (= Anthomedusa), Tubulariidae), proactinula larva, diameter with tentacles 800 µm, Helgoland 08.2011. 0:46 min. Many cnidarian show a larval development by planula larvae. Besides these special larvae occur like the shown proactinula, which possess two rings of tentacles and develop to thy polyp generation. They live only for a short period as plankton organisms. Video can be used for teaching.
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