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Clypeopygus

Echinoidea - Nucleolitidae

Taxonomy
Clypeopygus is a genus. It is not extant.

It was assigned to Nucleolitidae by Kier (1966); and to Cassiduloida by Sepkoski (2002).

Synonymy list
YearName and author
1966Clypeopygus Kier p. U503
2002Clypeopygus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
Carinacea
Irregularia()
Microstomata
Neognathostomata
familyNucleolitidae
genusClypeopygus

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