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Opissaster

Echinoidea - Spatangoida - Schizasteridae

Taxonomy
Opissaster was named by Pomel (1883) [Sepkoski's age data: T Eo-l T Plio Sepkoski's reference number: 577,942].

It was assigned to Hemiasteridae by Fischer (1966); to Schizasteridae by Henderson (1975); and to Spatangoida by Sepkoski (2002).

Synonymy list
YearName and author
1883Opissaster Pomel
1966Opissaster Fischer p. U565
1975Opissaster Henderson p. 21
2002Opissaster Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
superorderAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
orderSpatangoida
suborderPaleopneustina
familySchizasteridae()
genusOpissasterPomel 1883

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