Overview |
One of the two major groups of bilaterians, in which the mouth forms at the opposite end of the embryo from the blastopore in early development (contrast with protostomes). Includes the ambulacrarians and chordates.
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Phylogeny |
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Links to other sites |
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Acknowledgements |
I thank John Pickering for his assistance with the development of this page.
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Updated: 2024-03-19 06:56:19 gmt
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