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Arkacrinidae

Crinoidea - Dendrocrinida - Arkacrinidae

Taxonomy
Arkacrinidae was named by Knapp (1969). It is not extant.

It was assigned to Erisocrinacea by Moore and Strimple (1973).

Subtaxa

Synonymy list
YearName and author
1969Arkacrinidae Knapp p. 356
1973Arkacrinidae Moore and Strimple

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
RankNameAuthor
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
Cladida(Moore and Laudon 1943)
Eucladida
superorderCyathoformes
orderDendrocrinida
superfamilyErisocrinoidea(Wachsmuth and Springer 1886)
familyArkacrinidaeKnapp 1969
familyArkacrinidaeKnapp 1969

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.

Fm. †Arkacrinidae Knapp 1969
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G. †Arkacrinus Knapp 1969
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Arkacrinus constrictus Moore and Strimple 1973
Arkacrinus dubius Mather 1915
Diagnosis
No diagnoses are available