Deuterostomia
Deuterostomia (nomen a Carolo Grobben anno 1908 statutum) sunt animalium superphylum. Subdivisiones proximae Chordata et Xenambulacraria esse proponuntur; Xenambulacrariis sunt divisiones quattuor, videlicet Xenoturbellida, Acoelomorpha, Echinodermata, Hemichordata. Deuterostomia a Protostomiis abhinc annorum 558 milies milium iam divisa fuisse censetur, aevo Praecambrio exeunte.

Notae 
 Cavalier-Smith, T.  1998. A revised six-kingdom system of life. Biol. Rev. 73: 203-266.
 Grobben, C. 1908. Die systematische Einteilung des Tierreiches. - Verhandlungen der k.k. zoologisch-botanischen Gesellschaft im Wien.
 Raikova, Olga I., M. Reuter, Ulf Jondelius, et Margaretha K. S. Gustafsson. 2000. An immunocytochemical and ultrastructural study of the nervous and muscular systems of Xenoturbella westbladi (Bilateria inc. sed.), Zoomorphology 120(2): 107-118.
 Baguñà, J. & Riutort, M. 2004. The dawn of bilaterian animals: the case of acoelomorph flatworms. BioEssays 26: 1046-1057.
 Giribet, G., D. L. Distel, M. Polz, W. Sterrer, et W. C. Wheeler. 2000. Triploblastic Relationships with Emphasis on the Acoelomates and the Position of Gnathostomulida, Cycliophora, Plathelminthes, and Chaetognatha: A Combined Approach of 18S rDNA Sequences and Morphology. Syst. Biol. 49(3): 539-562.

Nexus externi 

 Deuterostomia at Univ Berkeley
 Deuterostomia at Animaldiversityweb

Animalia
Taxa Grobben
Taxa 1908
Taxa intercalaria
Praecambrio nata