TaxonomyDeuterostomes are mostly known for the chrodata, animals with a notochord. They are the main known animals like fishes, reptiles, birds and mammales; their mouth is the second opening.
ZoologyThey hav an endeskeleton; jointed appendages; notochord; segmantation.
Clades1
Ambulacraria2
Chordata2.1
Echinodermata: echinoderms
2.2
Vertebrata