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

Hemicrinus

Crinoidea - Cladida

Taxonomy
Hemicrinus was named by Orbigny (1850) [Sepkoski's age data: J Tith-l K Albi Sepkoski's reference number: 1066]. It is not extant.

It was assigned to Cyrtocrinida by Sepkoski (2002).

Synonymy list
YearName and author
1850Hemicrinus Orbigny
2002Hemicrinus Sepkoski, Jr.

Is something missing? Join the Paleobiology Database and enter the data

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
genusHemicrinusOrbigny 1850

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