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Polycrinus

Crinoidea - Dendrocrinida - Merocrinidae

Taxonomy
Polycrinus was named by Jaekel (1918) [Sepkoski's age data: O Cara-u O Ashg-m Sepkoski's reference number: 1213]. It is not extant.

It was assigned to Merocrinidae by Ausich (1998); and to Cladida by Sepkoski (2002).

Synonymy list
YearName and author
1918Polycrinus Jaekel
1998Polycrinus Ausich p. 21
2002Polycrinus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
RankNameAuthor
subclassInadunata(Wachsmuth and Springer 1897)
Cladida(Moore and Laudon 1943)
infraclassEucladida
superorderCyathoformes
orderDendrocrinida
superfamilyMerocrinaceaMiller 1890
familyMerocrinidaeMiller 1890
genusPolycrinusJaekel 1918

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