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Holaster

Echinoidea - Holasteroida - Holasteridae

Taxonomy
Holaster was named by Agassiz (1836) [Sepkoski's age data: K Berr-u T Than Sepkoski's reference number: 934,942]. It is the type genus of Holasteridae.

It was assigned to Holasteridae by Cooke (1959), Wagner and Durham (1966) and Shmidt (1976); and to Holasteroida by Sepkoski (2002).

Synonymy list
YearName and author
1836Holaster Agassiz p. 183
1959Holaster Cooke p. 65
1966Holaster Wagner and Durham p. U528
1976Holaster Shmidt p. 152
2002Holaster Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
orderHolasteroida
familyHolasteridae
genusHolasterAgassiz 1836

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