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Cremacrinus

Crinoidea - Calceocrinida - Calceocrinidae

Taxonomy
Cremacrinus was named by Ulrich (1886) [Sepkoski's age data: O Cara-l S Ludl Sepkoski's reference number: 250]. It is not extant.

It was assigned to Calceocrinidae by Ausich (1998); and to Disparida by Sepkoski (2002).

Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1886Cremacrinus Ulrich
1998Cremacrinus Ausich p. 27
2002Cremacrinus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
Life
phylumEchinodermata
RankNameAuthor
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
superorderDisparida(Moore and Laudon 1943)
orderCalceocrinida
familyCalceocrinidaeMeek and Worthen 1869
genusCremacrinusUlrich 1886

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