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Morphology Ecology and taphonomy   Age range and collections

Aexitrophocrinus

Crinoidea - Cladida - Dactylocrinidae

Taxonomy
Aexitrophocrinus is a genus. It is not extant.

It was assigned to Sagenocrinida by Sepkoski (2002); and to Dactylocrinidae by Webster et al. (2009).

Synonymy list
YearName and author
2002Aexitrophocrinus Sepkoski, Jr.
2009Aexitrophocrinus Webster et al. p. 248

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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)
suborderFlexibilia(Zittel 1895)
orderSagenocrinidaSpringer 1913
superfamilySagenocrinoideaRoemer 1854
familyDactylocrinidaeBather 1899
genusAexitrophocrinus

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