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Xiphatractus

Radiolaria - Spumellaria - Stylosphaeridae

Taxonomy
Xiphatractus was named by Haeckel (1887) [Sepkoski's age data: T Eo-m R]. It is extant.

It was assigned to Stylosphaeridae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).

Synonymy list
YearName and author
1887Xiphatractus Haeckel
2001Xiphatractus De Wever et al. p. 118
2002Xiphatractus Sepkoski, Jr.

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RankNameAuthor
Life
Eukaryota()
Rhizaria
phylumRetariaCavalier-Smith 1999
classRadiolariaMüller 1858
RankNameAuthor
superorderPolycystina(Ehrenberg 1867)
orderSpumellariaEhrenberg 1875
familyStylosphaeridaeHaeckel 1881
genusXiphatractusHaeckel 1887

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