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Morphology Ecology and taphonomy   Age range and collections

Petrozium

Anthozoa - Stauriida - Entelophyllidae

Taxonomy
Petrozium was named by Smith (1930). Its type is Petrozium losseni.

It was assigned to Arachnophyllinae by Hill (1956); to Evenkiellidae by Kaljo (1958); to Entelophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).

Synonymy list
YearName and author
1930Petrozium Smith
1956Petrozium Hill
1958Petrozium Kaljo
1981Petrozium Hill
2002Petrozium Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Neuralia
phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
subclassRugosa(Milne-Edwards and Haime 1850)
RankNameAuthor
orderStauriidaVerrill 1865
suborderArachnophyllinaZhavoronkova 1972
familyEntelophyllidaeHill 1940
genusPetroziumSmith 1930

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