How To Use Pennatula In A Sentence

• For example, colonial anthozoan cnidarians, in particular the Pennatulacea or "sea pens" are quite capable of moving, defouling themselves, and burrowing both upwards and downwards.
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• It has been proposed that the most recent common ancestor between cnidarians and bilaterians would have been morphologically similar to a pennatulacean anthozoan.
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