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Geraocrinus

Crinoidea - Homocrinida - Columbicrinidae

Taxonomy
Geraocrinus was named by Ulrich (1924). Its type is Geraocrinus sculptus.

It was assigned to Anomalocrinidae by Ulrich (1924); to Columbicrinidae by Ausich (1998); and to Disparida by Sepkoski (2002).

Synonymy list
YearName and author
1924Geraocrinus Ulrich
1998Geraocrinus Ausich p. 27
2002Geraocrinus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
classCrinoideaMiller 1821
RankNameAuthor
subclassPentacrinoideaJaekel 1918
subclassInadunata(Wachsmuth and Springer 1897)
Disparida(Moore and Laudon 1943)
orderHomocrinida
familyColumbicrinidae
genusGeraocrinusUlrich 1924

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