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Pygecystis

Rhombifera - Pleurocystitidae

Taxonomy
Pygecystis was named by Paul (1984) [Sepkoski's age data: O Ashg-m Sepkoski's reference number: 532].

It was assigned to Pleurocystitinae by Sumrall and Sprinkle (1995); and to Rhombifera by Sepkoski (2002).

Synonymy list
YearName and author
1984Pygecystis Paul
1995Pygecystis Sumrall and Sprinkle p. 776
2002Pygecystis Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumBlastozoaSprinkle 1973
classRhombiferaZittel 1879
superfamilyGlyptocystitoidaBather 1899
familyPleurocystitidaeNeumayr 1889
subfamilyPleurocystitinaeUlrich and Kirk 1911
genusPygecystis

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