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Hemiaster beecheri

Echinoidea - Spatangoida - Hemiasteridae

Taxonomy
Hemiaster beecheri was named by Clark and Twitchell (1915). Its type specimen is YPM 1863 and is a 3D body fossil. Its type locality is Redding, which is in a Turonian marine horizon in the Redding Formation of California.

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