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Hemichordata (acorn worm)

Taxonomy
Hemichordata was named by Bateson (1885). It is extant.

It was assigned to Ambulacralia by Zrzavy et al. (1998); to Metazoa by Sepkoski (2002); and to Ambulacraria by Edgecombe et al. (2011) and Nielsen (2012).

Synonymy list
YearName and author
1885Hemichordata Bateson
1998Hemichordata Zrzavy et al.
2002Hemichordata Sepkoski, Jr.
2011Hemichordata Edgecombe et al. p. 153 figs. Fig. 1
2012Hemichordata Nielsen p. 335

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
RankNameAuthor
Ambulacraria
phylumHemichordataBateson 1885
phylumHemichordataBateson 1885

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available