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Deuterostome facts for kids

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Temporal range: late Ediacaran – Recent
Sea cucumber.jpg
A sea cucumber
Scientific classification

Grobben, 1908
Phyla and clades

Deuterostomes are a nephrozoan superphylum of bilaterian animals, a taxon above the level of phylum. It is not part of the usual system of classification.

They are bilateral animals, and are contrasted with the protostomes. Deuterostomes are distingued by their embryo: in deuterostomes, the first opening (the blastopore) becomes the anus, while in protostomes it becomes the mouth.


These are the living phyla of deuterostomes:

This is an extinct deuterostome clade:

  • Saccorhytida

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