Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Clypeasteroida (sand dollar)

Echinoidea - Clypeasteroida

Synonymy list
YearName and author
1836Clypeasteroida Agassiz
1904Clypeasteroida Clark p. 432
1988Clypeasteroida Linder et al. p. 953
2002Clypeasteroida Sepkoski, Jr.
2010Clypeasteroida Kroh and Smith p. 172

Is something missing? Join the Paleobiology Database and enter the data

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

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