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Calycocrinus symmetricus

Crinoidea - Sagenocrinida - Calycocrinidae

Taxonomy
Calycocrinus symmetricus was named by Moore and Strimple (1973). It is not extant. Its type specimen is SUI 33170 (dorsal cup). Its type locality is Keough Quarry (Station 296), which is in a Morrowan marine limestone in the Morrow Formation of Oklahoma.

Synonymy list
YearName and author
1973Calycocrinus symmetricus Moore and Strimple

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
RankNameAuthor
infraclassInadunata(Wachsmuth and Springer 1897)
—Cladida(Moore and Laudon 1943)
superorderFlexibilia(Zittel 1895)
orderSagenocrinidaSpringer 1913
superfamilyLecanocrinoidea()
familyCalycocrinidae
genusCalycocrinus
speciessymmetricus

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.

†Calycocrinus symmetricus Moore and Strimple 1973
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Diagnosis
No diagnoses are available