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Cheirocystella

Rhombifera - Cheirocrinidae

Taxonomy
Cheirocystella was named by Paul (1972) [Sepkoski's age data: O Trem-u O Aren-l Sepkoski's reference number: 326].

It was assigned to Rhombifera by Sepkoski (2002); and to Cheirocrinidae by Paul (1972) and Paul and Rozhnov (2016).

Synonymy list
YearName and author
1972Cheirocystella Paul pp. 31 - 32
2002Cheirocystella Sepkoski, Jr.
2016Cheirocystella Paul and Rozhnov p. 270

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumBlastozoaSprinkle 1973
classRhombiferaZittel 1879
superfamilyGlyptocystitoidaBather 1899
familyCheirocrinidaeJaekel 1899
genusCheirocystella

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
ReferenceDiagnosis
C. R. C. Paul 1972A genus of Cheirocrinidae with open lateral and infralateral circlets and six radials; with short ambulacra confined to flat oral surface; with disjunct pectinirhombs.