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

Stephanium

Radiolaria - Nassellaria - Stephaniidae

Taxonomy
Stephanium was named by Haeckel (1887) [Sepkoski's age data: T Eo R]. It is extant. It is the type genus of Stephaniidae.

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

Synonymy list
YearName and author
1887Stephanium Haeckel
2001Stephanium De Wever et al. p. 233
2002Stephanium Sepkoski, Jr.

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
superfamilyAcanthodesmiaceaHertwig 1879
familyStephaniidaeHaeckel 1887
genusStephaniumHaeckel 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