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Morphology Ecology and taphonomy   Age range and collections

Xenechinus

Echinoidea - Palaechinoidea - Cravenechinidae

Taxonomy
Xenechinus was named by Kier (1958) [Sepkoski's age data: P Asse Sepkoski's reference number: 2].

It was assigned to Cravenechinidae by Kier (1966); and to Echinocystitoida by Sepkoski (2002).

Synonymy list
YearName and author
1958Xenechinus Kier p. 889
1966Xenechinus Kier p. U312
2002Xenechinus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
RankNameAuthor
classEchinoidea()
subclassPerischoechinoidea()
superorderEognathostomataSmith 1984
orderPalaechinoidea()
familyCravenechinidae
genusXenechinus

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