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Morphology Ecology and taphonomy   Age range and collections

Nucleocrinus

Spiraculata

Taxonomy
Nucleocrinus was named by Conrad (1842) [Sepkoski's age data: D Eife D Give-u Sepkoski's reference number: 2,523]. It is not extant.

It was assigned to Spiraculata by Sepkoski (2002).

Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1842Nucleocrinus Conrad p. 280
2002Nucleocrinus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Life
RankNameAuthor
Ambulacraria
phylumEchinodermata
subclassBlastoideaSay 1825
orderSpiraculataJaekel 1918
genusNucleocrinusConrad 1842

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