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Plaxocrinus

Crinoidea - Dendrocrinida - Pirasocrinidae

Taxonomy
Plaxocrinus was named by Moore and Plummer (1937) [Sepkoski's age data: C Bash P Wc]. It is not extant. Its type is Plaxocrinus crassidiscus.

It was assigned to Cladida by Sepkoski (2002); and to Pirasocrinidae by Pabian and Rushlau (2002).

Synonymy list
YearName and author
1937Plaxocrinus Moore and Plummer
2002Plaxocrinus Pabian and Rushlau
2002Plaxocrinus 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
superfamilyPirasocrinoideaMoore and Laudon 1943
familyPirasocrinidaeMoore and Laudon 1943
genusPlaxocrinusMoore and Plummer 1937

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