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Anthozoa - Stauriida - Petalaxidae

Ivanovia was named by Dobrolyubova (1935) [Sepkoski's age data: C Mosc-l C Mosc-u]. It is not extant.

It was assigned to Lonsdaleiinae by Hill (1956); to Petalaxidae by Hill (1981); and to Rugosa by Sepkoski (2002).

Species lacking formal opinion data

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Synonymy list
YearName and author
1916Cystophora Yabe and Hayasaka
1935Ivanovia Dobrolyubova
1956Ivanovia Hill
1981Ivanovia Hill
2002Benxiphyllum Sepkoski, Jr.
2002Ivanovia Sepkoski, Jr.

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phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
subclassRugosa(Milne-Edwards and Haime 1850)
orderStauriidaVerrill 1865
familyPetalaxidaeFomichev 1953
genusIvanoviaDobrolyubova 1935

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.

No diagnoses are available