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Morphology Ecology and taphonomy   Age range and collections

Semiometra

Crinoidea - Cladida

Taxonomy
Semiometra is a genus. It is not extant.

It was assigned to Comatulida by Sepkoski (2002).

Synonymy list
YearName and author
2002Semiometra 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)
infraclassEucladida
infraorderArticulata(von Zittel 1879)
orderComatulida and Clark 1908
genusSemiometra

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