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Palhemiaster

Echinoidea - Spatangoida - Hemiasteridae

Taxonomy
Palhemiaster is a genus. It is not extant.

It was assigned to Hemiasteridae by Fischer (1966); and to Spatangoida by Sepkoski (2002).

Synonymy list
YearName and author
1966Palhemiaster Fischer p. U565
2002Palhemiaster Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
orderSpatangoida
familyHemiasteridae
genusPalhemiaster

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.

Diagnosis
No diagnoses are available