Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Cyrtisphaeractenium

Radiolaria - Nassellaria - Archocyrtiidae

Taxonomy
Cyrtisphaeractenium was named by Deflandre (1972) [Sepkoski's age data: D Fame C Vise-l]. Its type is Cyrtisphaeractenium mendax.

It was assigned to Spumellaria by Sepkoski (2002); and to Archocyrtiidae by De Wever et al. (2001) and Feng et al. (2004).

Species
C. mendax (type species)
Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1972Cyrtisphaeractenium Deflandre
2001Cyrtisphaeractenium De Wever et al. p. 213
2002Cyrtisphaeractenium Sepkoski, Jr.
2004Cyrtisphaeractenium Feng et al. p. 384

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
Life
Eukaryota()
Rhizaria
phylumRetariaCavalier-Smith 1999
classRadiolariaMüller 1858
RankNameAuthor
superorderPolycystina(Ehrenberg 1867)
orderNassellariaEhrenberg 1875
familyArchocyrtiidaeKozur and Mostler 1981
genusCyrtisphaeracteniumDeflandre 1972

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