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Leymeriaster

Echinoidea - Spatangoida

Taxonomy
Leymeriaster was named by Lambert and Thiéry (1924).

It was reranked as Hemiaster (Leymeriaster) by Lambert and Thiéry (1924) and Fischer (1966).

It was assigned to Hemiaster by Lambert and Thiéry (1924) and Fischer (1966); and to Spatangoida by Jagt (2000).

Species
L. eluvialis

Synonymy list
YearName and author
1924Hemiaster (Leymeriaster) Lambert and Thiéry p. 500
1924Leymeriaster Lambert and Thiéry p. 500
1966Hemiaster (Leymeriaster) Fischer p. U559
2000Leymeriaster Jagt

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
RankNameAuthor
classEchinoidea()
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
—Carinacea
—Irregularia()
—Atelostomata
orderSpatangoida
genusLeymeriaster

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.

G. †Leymeriaster Lambert and Thiéry 1924
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†Leymeriaster eluvialis van der Ham 1995
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: Aberhan 1992, Kiessling 2004

Age range: Late/Upper Maastrichtian or 70.60000 to 66.00000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Maastrichtian70.6 - 66.0Belgium (Liege) L. eluvialis (32153 32156) L. eluvialis, L. maestrichtensis (32157)
Late/Upper Maastrichtian70.6 - 66.0Netherlands L. maestrichtensis (32161)
Late/Upper Maastrichtian70.6 - 66.0Netherlands (Limburg) L. eluvialis (32159)
Late/Upper Maastrichtian - Late/Upper Cretaceous70.6 - 66.0Belgium (Liege) L. eluvialis (32175)
Late/Upper Maastrichtian - Maastrichtian70.6 - 66.0Netherlands L. eluvialis, L. maestrichtensis (32162)
Late/Upper Maastrichtian - Danian70.6 - 61.6Netherlands L. maestrichtensis (32160)