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Hemiaster alamedensis

Echinoidea - Spatangoida - Hemiasteridae

Taxonomy
Hemiaster alamedensis was named by Kew (1920). Its type specimen is UCMP 11009 and is a 3D body fossil.

It was recombined as Integraster alamedensis by Grant and Hertlein (1938).

Synonymy list
YearName and author
1920Hemiaster alamedensis Kew pp. 144 - 145 figs. Plate 40, figures 5a, 5b, 5c, 5d
1938Integraster alamedensis Grant and Hertlein p. 118

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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
speciesalamedensis

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
Collections
No collection or age range data are available