Also known as: ハルキゲニア
An extinct marine animal of the Cambrian period.
Looks like a tube with 2 rows of spikes on one side and 2 rows of tentacles on the other.
Also known as: ハルキゲニア
An extinct marine animal of the Cambrian period.
Looks like a tube with 2 rows of spikes on one side and 2 rows of tentacles on the other.
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