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Micraster (Gibbaster)

Echinoidea - Spatangoida - Micrasteridae

Taxonomy
Gibbaster was named as a genus. It is not extant.

It was reranked as Micraster (Gibbaster) by Fischer (1966).

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

Synonymy list
YearName and author
1966Micraster (Gibbaster) Fischer p. U581
2002Gibbaster Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
infraclassAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
orderSpatangoida
suborderMicrasterina
familyMicrasteridae()
genusMicrasterAgassiz 1836
subgenusGibbaster

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