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Sievertsia

Cyclocystoidea - Cyclocystoididae

Taxonomy
Sievertsia was named by Smith and Paul (1982) [Sepkoski's age data: O Cara-u D Give]. Its type is Sievertsia devonica. It was considered monophyletic by Smith and Paul (1982).

It was assigned to Cyclocystoididae by Smith and Paul (1982); and to Isorophida by Sepkoski (2002).

Synonymy list
YearName and author
1982Sievertsia Smith and Paul
2002Sievertsia Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
classCyclocystoideaMiller and Gurley 1895
familyCyclocystoididaeMiller 1882
genusSievertsia

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