Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Nonparactocrinus

Crinoidea - Hemistreptocrinida - Hemistreptocrinidae

Taxonomy
Nonparactocrinus was named by Arendt (1976) [Sepkoski's age data: O Llvi]. It is not extant.

It was assigned to Hemistreptocrinidae by Arendt (1976); and to Crinoidea by Sepkoski (2002).

Synonymy list
YearName and author
1976Nonparactocrinus Arendt
2002Nonparactocrinus Sepkoski

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumBlastozoa
classCrinoideaMiller 1821
subclassHemistreptocrinoideaArendt 1976
orderHemistreptocrinidaArendt 1976
familyHemistreptocrinidaeArendt 1976
genusNonparactocrinusArendt 1976

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.

G. †Nonparactocrinus Arendt 1976
show all | hide all
Diagnosis
No diagnoses are available