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Tetracystis

Rhombifera - Callocystitidae

Taxonomy
Tetracystis was named by Schuchert (1904) [Sepkoski's age data: S Wenl-u S Prid Sepkoski's reference number: 328]. It is not extant.

It was assigned to Apiocystitinae by Beaver et al. (1967); to Rhombifera by Sepkoski (2002); and to Callocystitidae by Paul and Rozhnov (2016).

Synonymy list
YearName and author
1904Tetracystis Schuchert
1967Tetracystis Beaver et al. p. S213
2002Tetracystis Sepkoski
2016Tetracystis Paul and Rozhnov p. 266

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumBlastozoa
orderRhombiferaZittel 1879
superfamilyGlyptocystitoida(Bather 1899)
familyCallocystitidaeBernard 1895
genusTetracystisSchuchert 1904

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.

G. †Tetracystis Schuchert 1904
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Diagnosis
No diagnoses are available