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Ristnacrinus marinus

Crinoidea - Myelodactylida - Iocrinidae

Taxonomy
Ristnacrinus marinus was named by Opik (1934). It is the type species of Ristnacrinus.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1934Ristnacrinus marinus Opik

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
RankNameAuthor
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
superorderDisparida(Moore and Laudon 1943)
orderMyelodactylida
familyIocrinidaeMoore and Laudon 1943
genusRistnacrinusOpik 1934
speciesmarinusOpik 1934

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.

Ristnacrinus marinus Opik 1934
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Diagnosis
No diagnoses are available