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Polusocrinus

Crinoidea - Cladida - Aesiocrinidae

Taxonomy
Polusocrinus was named by Strimple (1951) [Sepkoski's age data: C Mosc-l C Step-u]. It is not extant.

It was assigned to Ampelocrinidae by Lane (1964); to Cladida by Sepkoski (2002); and to Aesiocrinidae by Webster and Lane (2007).

Synonymy list
YearName and author
1951Polusocrinus Strimple
1964Polusocrinus Lane
2002Polusocrinus Sepkoski, Jr.
2007Polusocrinus Webster and Lane p. 961

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
RankNameAuthor
infraclassInadunata(Wachsmuth and Springer 1897)
orderCladida(Moore and Laudon 1943)
infraclassEucladida
superorderCyathoformes
orderDendrocrinida
familyAesiocrinidae
genusPolusocrinusStrimple 1951

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