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Pyrgocystis

Edrioasteroidea - Hemicystitidae

Taxonomy
Pyrgocystis was named by Bather (1915). It is not extant. Its type is Pyrgocystis sardesoni.

It was assigned to Hemicystitidae by Regnéll (1945) and Regnéll (1966); and to Isorophida by Sepkoski (2002).

Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1915Pyrgocystis Bather
1945Pyrgocystis Regnéll
1966Pyrgocystis Regnéll
2002Pyrgocystis Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
classEdrioasteroideaBillings 1858
familyHemicystitidaeBassler 1936
genusPyrgocystisBather 1915

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