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Schizaster (Paraster) exoletus

Echinoidea - Spatangoida - Schizasteridae

Taxonomy
Schizaster exoletus was named by Hutton (1873). Its type specimen is EC.689, a test, and it is a 3D body fossil.

It was recombined as Schizaster (Paraster) exoletus by Henderson (1975).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1873Schizaster exoletus Hutton p. 43
1975Schizaster (Paraster) exoletus Henderson p. 17

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
superorderAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
orderSpatangoida
suborderPaleopneustina
familySchizasteridae()
genusSchizasterAgassiz 1835
subgenusParaster()
speciesexoletus(Hutton 1873)

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calciteo
Ontogeny: accretion, addition of partsp
Environment: marineo
Locomotion: slow-movingo
Life habit: shallow infaunalo
Diet: deposit feedero
Diet 2: detritivoreo
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2004-02-28 12:18:10
Modified: 2009-10-08 16:32:56
Source: o = order, c = class, p = phylum
References: Kiessling 2004, Aberhan 1992

Age range: Kaiatan or 39.10000 to 36.70000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Kaiatan39.1 - 36.7New Zealand Schizaster exoletus (4886 4887 155834 155835)
Kaiatan - Runangan39.1 - 34.6New Zealand Schizaster exoletus (155831 155833)