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

Cidaroidea

Echinoidea -

Taxonomy
Cidaroidea was named by Claus (1880). It is extant. It was considered monophyletic by Kroh and Smith (2010).

It was reranked as the order Cidaroidea by Smith (1991), Smith (2009) and Kroh and Smith (2010); it was reranked as the subclass Cidaroidea by Smith (1995) and Smith (2015).

It was assigned to Regularia by Clark and Twitchell (1915); and to Echinoidea by Grant and Hertlein (1938), Smith (1991), Smith (1995), Hagdorn (1995), Smith (2009), Kroh and Smith (2010) and Smith (2015).

Synonymy list
YearName and author
1880Cidaroidea Claus
1915Cidaroidea Clark and Twitchell p. 23
1938Cidaroidea Grant and Hertlein p. 4
1991Cidaroidea Smith p. 15
1995Cidaroidea Hagdorn p. 248
1995Cidaroidea Smith p. 123
2009Cidaroidea Smith
2010Cidaroidea Kroh and Smith p. 169
2015Cidaroidea Smith p. 4

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

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
subclassCidaroidea(Claus 1880)
subclassCidaroidea(Claus 1880)

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