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Orthopsida (disused)

Echinoidea - Orthopsida

Synonymy list
YearName and author
1966Orthopsida Fell and Pawson p. U437
1995Orthopsida Smith p. 136
2002Orthopsida Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumEchinozoa
classEchinoidea()
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
orderOrthopsida()
orderOrthopsida()

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