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Pygaster

Echinoidea - Pygasteridae

Taxonomy
Pygaster is a genus. It is not extant. It is the type genus of Pygasteridae.

It was assigned to Pygasteridae by Fell (1966); and to Pygasteroida by Sepkoski (2002).

Synonymy list
YearName and author
1966Pygaster Fell p. U365
2002Pygaster Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
RankNameAuthor
classEchinoidea()
subclassEuechinoideaBronn 1860
infraclassAcroechinoidea()
Carinacea
Irregularia()
familyPygasteridae
genusPygaster

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