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Hemiaster wetherbyi

Echinoidea - Spatangoida - Hemiasteridae

Taxonomy
Hemiaster wetherbyi was named by de Loriol (1887).

Synonyms
Synonymy list
YearName and author
1887Hemiaster wetherbyi de Loriol
1909Hemiaster lacunosus Slocom
1915Hemiaster bexari Clark and Twitchell p. 89 figs. Plate XLVI, Figs. 1a-e
1915Hemiaster lacunosus Clark and Twitchell p. 97
1941Hemiaster benhurensis Stephenson
1953Hemiaster wetherbyi Cooke p. 31 figs. Pl 12, figs 17,18

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
—Carinacea
—Irregularia()
—Atelostomata
orderSpatangoida
familyHemiasteridae
genusHemiaster
specieswetherbyide Loriol 1887

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.

†Hemiaster wetherbyi de Loriol 1887
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Invalid names: Hemiaster benhurensis Stephenson 1941 [synonym], Hemiaster bexari Clark and Twitchell 1915 [synonym], Hemiaster lacunosus Slocom 1909 [synonym]
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: base of the Late/Upper Albian to the top of the Early/Lower Maastrichtian or 106.30000 to 66.00000 Ma

Collections (54 total)


Time interval Ma Country or state Original ID and collection number
Albian113.2 - 100.5Mexico (Coahuila de Zaragoza) Hemiaster bexari (88677)
Late/Upper Albian106.3 - 100.5USA (Texas) Hemiaster bexari (187292)
Late/Upper Campanian83.6 - 72.2USA (Arkansas) Hemiaster wetherbyi (78165 78166 78183 78199 83038 197643 197644 197645 197646 197647 197648 197649)
Late/Upper Campanian83.6 - 72.2USA (Tennessee) Hemiaster lacunosus (88357)
Early/Lower Maastrichtian72.2 - 66.0USA (Arkansas) Hemiaster wetherbyi (78184 197650 197651)
Early/Lower Maastrichtian72.2 - 66.0USA (Mississippi) Hemiaster wetherbyi (78125 197614 197615 197616)
Early/Lower Maastrichtian72.2 - 66.0USA (Alabama) Hemiaster wetherbyi (78182)
Early/Lower Maastrichtian72.2 - 66.0USA (Texas) Hemiaster benhurensis (7560)
Late/Upper Maastrichtian72.2 - 66.0USA (Mississippi) Hemiaster lacunosus (142418) Hemiaster wetherbyi (4131 4133 4142 4160 78123 197606 197607 197608 197609 197610 197611 197612 197613)
Late/Upper Maastrichtian72.2 - 66.0USA (Alabama) Hemiaster lacunosus (4203 4205 4206) Hemiaster wetherbyi (4193 197603 197604 197605)
Late/Upper Maastrichtian72.2 - 66.0USA (Texas) Hemiaster bexari (7446 7562) Hemiaster wetherbyi (4503 4514 4516 4517 142364 197652)
Maastrichtian72.2 - 66.0USA (Texas) Hemiaster benhurensis (7582)