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Hemiaster beecheri

Echinoidea - Spatangoida - Hemiasteridae

Synonymy list
YearName and author
1915Hemiaster beecheri Clark and Twitchell p. 96
1953Hemiaster beecheri Cooke p. 31

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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
speciesbeecheri

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 beecheri Clark and Twitchell 1915
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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: Late/Upper Campanian or 83.60000 to 72.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.6 - 72.2USA (South Dakota) Hemiaster beecheri (78181)