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Australidiadema alexanderi

Echinoidea - Diadematoida - Diadematidae

Taxonomy
Australidiadema alexanderi was named by Smith and Crame (2012). Its type specimen is BAS KG.1681.14 and is a 3D body fossil. Its type locality is KG.1681, Keystone Cliffs, which is in an Aptian/Albian marine mudstone in the Pluto Glacier Formation of Antarctica. It is the type species of Australidiadema.

Synonymy list
YearName and author
2012Australidiadema alexanderi Smith and Crame p. 313 fig. 5,6,7D,E,8B

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
RankNameAuthor
classEchinoidea()
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
orderDiadematoida
familyDiadematidae
genusAustralidiadema
speciesalexanderi

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.

Australidiadema alexanderi Smith and Crame 2012
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: slow-movingo
Life habit: low-level epifaunalo
Diet: grazero
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 18:22:04
Modified: 2009-12-13 03:42:51
Source: o = order, c = class, p = phylum
References: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992

Age range: Aptian or 121.40000 to 113.20000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Aptian121.4 - 113.2Antarctica Australidiadema alexanderi (216890 216891)
Aptian - Albian121.4 - 100.5Antarctica Australidiadema alexanderi (type locality: 64196)