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Asterias rubens, brachiolaria, metamorphosis 1 Helgoland 2015

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Asterias rubens, brachiolaria, metamorphosis 1 Helgoland 2015
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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 Year2015
Production PlaceHelgoland

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Asterias rubens (Echinodermata, Asteroida, Forcipulatida, Asteridae), bipinnaria and brachiolaria larva, length up to 2 mm, Helgoland 04.2015. 1:04 min. The late bipinnaria changes successive into the brachiolaria which undergoes metamorphosis in the future starfish. The formation of the future body starts at the right side of the brachiolaria, influenced by the developing coeloms. First ossicles differentiate in the body wall. Video can be used for teaching.
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