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Morphology Ecology and taphonomy   Age range and collections

Cyathactis

Anthozoa - Stauriida - Ptychophyllidae

Taxonomy
Cyathactis was named by Soshkina (1955).

It was assigned to Cyathactidae by Kaljo (1958); to Ptychophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).

Synonymy list
YearName and author
1955Cyathactis Soshkina
1958Cyathactis Kaljo
1981Cyathactis Hill
2002Cyathactis Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Neuralia
phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
subclassRugosa(Milne-Edwards and Haime 1850)
RankNameAuthor
orderStauriidaVerrill 1865
suborderCyathophyllinaNicholson 1889
familyPtychophyllidaeDybowski 1873
genusCyathactisSoshkina 1955

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