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Hemiaster amelianus

Echinoidea - Spatangoida - Hemiasteridae

Taxonomy
Hemiaster amelianus was named by Cooke (1953). Its type specimen is USNM 108408 and is a 3D body fossil. Its type locality is Santa Amelia, which is in a Campanian marine horizon in Guatemala.

Synonymy list
YearName and author
1953Hemiaster amelianus Cooke p. 35 figs. Pl 16, fig 1

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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
speciesamelianus

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 amelianus Cooke 1953
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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

Age range: Campanian or 83.60000 to 72.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Campanian83.6 - 72.1Guatemala (Peten) Hemiaster amelianus (type locality: 78121)