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Ptychocosmites

Rhombifera - Caryocrinitidae

Taxonomy
Ptychocosmites is a genus. It is not extant.

It was assigned to Caryocrinitidae by Beaver et al. (1967); and to Rhombifera by Sepkoski (2002).

Synonymy list
YearName and author
1967Ptychocosmites Beaver et al. p. S225
2002Ptychocosmites Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumBlastozoa
classRhombifera(Zittel 1879)
superfamilyHemicosmitoida(Jaekel 1918)
familyCaryocrinitidaeBassler 1938
genusPtychocosmites

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.

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Diagnosis
No diagnoses are available