Hemichordate

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Hemichordate
Eichelwurm.jpg
Acorn worm, a hemichordate.
Scienteefic clessification e
Kinrick: Animalia
Superphylum: Deuterostomia
Phylum: Hemichordata
Bateson, 1885

Hemichordata is a phylum o marine deuterostome animals, generally considered the sister group o the echinoderms.