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Hemicidaroida

Echinoidea - Hemicidaroida

Synonymy list
YearName and author
1957Hemicidaroida Durham and Melville p. 254
1966Hemicidaroida Fell and Pawson p. U381
1991Hemicidaroida Smith p. 22
2002Hemicidaroida Sepkoski, Jr.
2003Hemicidaroidea Berndt p. 78

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
RankNameAuthor
classEchinoidea()
subclassEuechinoideaBronn 1860
Echinacea()
superorderStirodontaJackson 1912
orderHemicidaroida()
orderHemicidaroida()

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