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Cephalochordata (lancelet)

Taxonomy
Cephalochordata was named by Haeckel (1866). It is extant. It was considered monophyletic by Brusca et al. (2016).

It was reranked as the unranked clade Cephalochordata by Zhang (2011) and Nielsen (2012); it was reranked as the phylum Cephalochordata by Nielsen (2012); it was reranked as the subphylum Cephalochordata by Dineley and Metcalf (1999) and Brusca et al. (2016).

It was assigned to Metazoa by Zhang (2011); to Chordata by Nielsen (2012); and to Chordata by Zrzavy et al. (1998), Dineley and Metcalf (1999), Sepkoski (2002), Edgecombe et al. (2011), Nielsen (2012) and Brusca et al. (2016).

Synonymy list
YearName and author
1866Cephalochordata Haeckel
1998Cephalochordata Zrzavy et al.
1999Cephalochordata Dineley and Metcalf p. 11
2002Cephalochordata Sepkoski, Jr.
2011Cephalochordata Edgecombe et al. p. 153 figs. Fig. 1
2011Cephalochordata Zhang
2012Cephalochordata Nielsen p. 358
2016Cephalochordata Brusca et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
RankNameAuthor
phylumChordataHaeckel 1847
subphylumCephalochordata(Haeckel 1866)
subphylumCephalochordata(Haeckel 1866)

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