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Morphology Ecology and taphonomy   Age range and collections

Cyathidium

Crinoidea - Cladida

Taxonomy
Cyathidium was named by Steenstrup (1846) [Sepkoski's age data: J Tith R]. It is extant.

It was assigned to Cyrtocrinida by Sepkoski (2002).

Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1846Cyathidium Steenstrup
2002Cyathidium Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
classCrinoideaMiller 1821
RankNameAuthor
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
orderCladida(Moore and Laudon 1943)
suborderEucladida
infraorderArticulata(Zittel 1879)
orderCyrtocrinida
genusCyathidiumSteenstrup 1846

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