Deuterostome
superphylum or infrakingdom of bilateral animals / From Wikipedia, the free encyclopedia
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.
Quick Facts Deuterostomia Temporal range: late Ediacaran – Recent, Scientific classification ...
Deuterostomia Temporal range: late Ediacaran – Recent | |
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A sea cucumber | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Clade: | Nephrozoa |
Superphylum: | Deuterostomia Grobben, 1908 |
Phyla and clades | |
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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.