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Ulocrinus

Crinoidea - Cromyocrinidae

Taxonomy
Ulocrinus was named by Miller and Gurley (1890) [Sepkoski's age data: C Mosc-l C Step-l]. It is not extant. Its type is Ulocrinus buttsi.

It was assigned to Cladida by Sepkoski (2002); and to Cromyocrinidae by Pabian and Rushlau (2002) and Mao et al. (2018).

Synonymy list
YearName and author
1890Ulocrinus Miller and Gurley
2002Ulocrinus Pabian and Rushlau
2002Ulocrinus Sepkoski, Jr.
2018Ulocrinus Mao et al. p. 1073

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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
superfamilyCromyocrinoideaBather 1890
familyCromyocrinidae
genusUlocrinusMiller and Gurley 1890

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