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Protocyathactis

Anthozoa - Stauriida - Paliphyllidae

Taxonomy
Protocyathactis was named by Ivanovskiy (1961) [Sepkoski's age data: O Cara-u S Ldov-m Sepkoski's reference number: 711]. It is not extant.

It was assigned to Paliphyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).

Species lacking formal opinion data

Synonymy list
YearName and author
1961Protocyathactis Ivanovskiy
1981Protocyathactis Hill
2002Protocyathactis Sepkoski

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RankNameAuthor
kingdomAnimalia()
phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
Hexacorallia()
subclassRugosa(Milne-Edwards and Haime 1850)
RankNameAuthor
orderStauriidaVerrill 1865
suborderStreptelasmatinaWedekind 1927
familyPaliphyllidaeSoshkina 1955
genusProtocyathactisIvanovskiy 1961

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. †Protocyathactis Ivanovskiy 1961
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Diagnosis
No diagnoses are available