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Tetraditryma

Radiolaria - Spumellaria - Hagiastridae

Taxonomy
Tetraditryma was named by Baumgartner (1980) [Sepkoski's age data: J Plie-u J Tith-u Sepkoski's reference number: 55].

It was assigned to Hagiastridae by Hull (1997) and De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1980Tetraditryma Baumgartner
1993Saldorfus Pessagno, Jr. et al. p. 126
1997Tetraditryma Hull
2001Tetraditryma De Wever et al. p. 136
2002Tetraditryma Sepkoski, Jr.

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RankNameAuthor
Life
Eukaryota()
Rhizaria
phylumRetariaCavalier-Smith 1999
classRadiolariaMüller 1858
RankNameAuthor
superorderPolycystina(Ehrenberg 1867)
orderSpumellariaEhrenberg 1875
familyHagiastridaeRiedel 1971
genusTetraditrymaBaumgartner 1980

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