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

Diadematacea (disused)

Echinoidea

Taxonomy
Diadematacea was named by Duncan (1889). It is extant.

It was reranked as the unranked clade Diadematacea by Smith (1995).

It was assigned to Euechinoidea by Durham and Melville (1957), Fell (1966) and Smith (1995).

Subtaxa
Pygasteroida

Synonymy list
YearName and author
1889Diadematacea Duncan
1957Diadematacea Durham and Melville p. 253
1966Diadematacea Fell p. U345
1995Diadematacea Smith p. 123

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
—Diadematacea()
—Diadematacea()

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.

Unr. Diadematacea Duncan 1889
show all | hide all
Invalid names: Pygasteroida Durham and Melville 1957 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: actively mobilec
Life habit: epifaunalc
Diet: grazerc
Diet 2: deposit feederc
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 12:05:24
Modified: 2010-02-12 04:00:29
Source: c = class, p = phylum
References: Aberhan 1992, Kiessling 2004

Age range: Late/Upper Eocene or 37.20000 to 33.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Eocene37.2 - 33.9USA (Florida) Diadematacea indet. (34992)