English / 
JapaneseEchinodermata--the group includes sea urchin, sea stars.
Sometimes you can watch them at seashores, aquariums, and also Sushi-bars,
Maybe you have no experience to gaze at their inner bodies, we guess.
Here, we can offer CT-scanned 3D movie data, provided by the Tohoku University Museum, all right reserved.
How to use: Simply click on a thumbnail, the enlarged movie is presented.
What's New；
2010/01/01 This page has started.
Explanation of the Rendering Types in our web pages
If you want to take a glance at extincted Echinoderms, such as Blastoidea, please visit our other page MovinFossil CT 3D Library.
2010/01/01 This page has started.
Explanation of the Rendering Types in our web pages
Further Readings
If you want to take a glance at extincted Echinoderms, such as Blastoidea, please visit our other page MovinFossil CT 3D Library.
Sea urchin (Echinoidea)
Like a hedgehog, they have globular bodied and many spines.But, CT-scannd data indicates their pentagonal body structure, the main feature of Echinodermata.
Their mouths, also known as "Aristotle's lantern" , has pentagonal shapes too.
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Sea star (Asteroidea)
They speak nothing and just sit down at the summer sandy beaches.But their bodies star-shaped, straightly indicates the Echinodermata body plan.
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Brittle star (Ophiuroidea)
The group has long arms to crawl the sea floor. Almost genus don't live in the shallow sea, so maybe you think they are uncommon, but this is a misunderstanding.
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Blastoidea
One group of extinced Echinodermata.
Please visit MovinFossil CT 3D Library.
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