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Giraliaster

Echinoidea - Holasteroida - Holasteridae

Taxonomy
Giraliaster was named by Foster and Philip (1978) [Sepkoski's age data: K Maes T Ol-u Sepkoski's reference number: 572].

It was assigned to Holasteridae by Foster and Philip (1978); and to Holasteroida by Sepkoski (2002).

Synonymy list
YearName and author
1978Giraliaster Foster and Philip p. 804
2002Giraliaster Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
—Echinozoa()
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
—Carinacea
—Irregularia()
—Atelostomata
orderHolasteroida
suborderMeridosternata
familyHolasteridae
genusGiraliaster

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. †Giraliaster Foster and Philip 1978
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†Giraliaster bellissae Foster and Philip 1978
†Giraliaster jubileensis Foster and Philip 1978
†Giraliaster sulcatus Hutton 1873
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Invalid names: Cardiaster latecordatus Tate 1891 [synonym]
†Giraliaster tertiarius Gregory 1890
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calciteo
Ontogeny: accretion, addition of partsp
Environment: marineo
Locomotion: actively mobileo
Life habit: semi-infaunalo
Diet: detritivoreo
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2004-02-29 10:02:19
Modified: 2009-12-13 03:44:56
Source: o = order, c = class, p = phylum
References: Aberhan 1992, Aberhan et al. 2004, Kiessling 2004

Age range: base of the Santonian to the top of the Waitakian or 86.30000 to 21.70000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Santonian86.3 - 83.6Antarctica G. sp. (39613)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Antarctica G. lorioli (39620)
Middle Paleocene - Late/Upper Paleocene61.7 - 55.8Australia (Western Australia) G. jubileensis (204581)
Waipawan55.8 - 53.0New Zealand G. tertiarius (52558)
Waipawan55.8 - 53.0New Zealand (Chatham Islands) G. bellissae (51079)
Runangan36.0 - 34.3New Zealand G. sulcatus (74600)
Runangan - Duntroonian36.0 - 25.2New Zealand (South Island) G. sulcatus (202185)
Early/Lower Oligocene33.9 - 28.4Australia (South Australia) G. tertiarius (90084)
Waitakian25.2 - 21.7New Zealand (South Island) G. bellissae (204588)