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Hemiaster stella

Echinoidea - Spatangoida - Hemiasteridae

Taxonomy
Spatangus stella was named by Morton (1830). Its type specimen is ANSP 1491, a test, and it is a 3D body fossil.

It was recombined as Hemiaster stella by Clark and Twitchell (1915), Cooke (1942), Cooke (1959) and Kroh (2001).

Synonyms
Synonymy list
YearName and author
1830Spatangus stella Morton p. 245 figs. pl. 3, fig. 11
1856Hemiaster punctatus dOrbigny
1891Hemiaster incrassatus Clark p. 77
1897Hemiaster tamulicus Kossmat
1911Hemiaster rutoti Lambert
1915Hemiaster stella Clark and Twitchell p. 93
1922Hemiaster madagascariensis Cottreau
1924Hemiaster (Integraster) garumnicus Lambert
1924Trachyaster spissus Lambert
1933Hemiaster hawkinsi Lambert
1936Hemiaster garumnicus Lambert
1942Hemiaster stella Cooke p. 44
1959Hemiaster stella Cooke p. 67
2001Hemiaster stella Kroh
2005Hemiaster hawkinsi Parma and Casadío p. 1080

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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
speciesstella(Morton 1830)

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 stella Morton 1830
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Invalid names: Hemiaster (Integraster) garumnicus Lambert 1924 [synonym], Hemiaster garumnicus Lambert 1936 [synonym], Hemiaster hawkinsi Lambert 1933 [synonym], Hemiaster incrassatus Clark 1891 [synonym], Hemiaster madagascariensis Cottreau 1922 [synonym], Hemiaster punctatus dOrbigny 1856 [synonym], Hemiaster rutoti Lambert 1911 [synonym], Hemiaster tamulicus Kossmat 1897 [synonym], Trachyaster spissus Lambert 1924 [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: Kiessling 2004, Aberhan 1992

Age range: base of the Late/Upper Coniacian to the top of the Thanetian or 89.30000 to 56.00000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Coniacian89.3 - 85.8Spain Hemiaster punctatus (74372 74373 74374 74376 74377)
Late/Upper Campanian83.5 - 70.6USA (Tennessee) Hemiaster stella (88357)
Late/Upper Maastrichtian70.6 - 66.0Argentina (La Pampa) Hemiaster hawkinsi (5167)
Danian66.0 - 61.6Austria Hemiaster stella (47930)
Danian66.0 - 61.6Argentina (La Pampa) Hemiaster hawkinsi (5160)
Thanetian59.2 - 56.0Spain (Santander) Hemiaster stella (157015)
Thanetian59.2 - 56.0USA (New Jersey) Hemiaster stella (3113)
Late/Upper Paleocene58.7 - 55.8USA (New Jersey) Hemiaster stella (type locality: 155898 155902)