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Exterocrinus

Crinoidea - Stellarocrinidae

Taxonomy
Exterocrinus was named by Knapp (1969) [Sepkoski's age data: C Bash-u]. It is not extant.

It was assigned to Cladida by Sepkoski (2002).

Synonymy list
YearName and author
1969Exterocrinus Knapp
2002Exterocrinus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
subclassInadunata(Wachsmuth and Springer 1897)
RankNameAuthor
Cladida(Moore and Laudon 1943)
superorderCyathoformes
familyStellarocrinidae
superfamilyErisocrinaceaWachsmuth and Springer 1886
superfamilyApographiocrinoideaMoore and Laudon 1943
familyPachylocrinidae
superfamilyCromyocrinoideaBather 1890
genusExterocrinusKnapp 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.

Diagnosis
No diagnoses are available