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Acriaster

Echinoidea - Archiaciidae

Taxonomy
Acriaster was named by Smith (1991) [Sepkoski's age data: K Albi-u Sepkoski's reference number: 984]. Its type is Acriaster sergipensis.

It was assigned to Archiaciidae by Smith (1991); and to Cassiduloida by Sepkoski (2002).

Synonymy list
YearName and author
1991Acriaster Smith p. 46
2002Acriaster Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
Carinacea
Irregularia()
Microstomata
Neognathostomata
familyArchiaciidae()
genusAcriaster

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