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Metacromyocrinus

Crinoidea - Cromyocrinidae

Taxonomy
Metacromyocrinus was named by Strimple (1961) [Sepkoski's age data: C Bash-l C Step-l Sepkoski's reference number: 257]. It is not extant.

It was assigned to Cromyocrinidae by Moore and Strimple (1973); and to Cladida by Sepkoski (2002).

Synonymy list
YearName and author
1961Metacromyocrinus Strimple
1973Metacromyocrinus Moore and Strimple
2002Metacromyocrinus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
RankNameAuthor
subclassInadunata(Wachsmuth and Springer 1897)
Cladida(Moore and Laudon 1943)
infraclassEucladida
superorderCyathoformes
superfamilyCromyocrinoideaBather 1890
familyCromyocrinidae
genusMetacromyocrinusStrimple 1961

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