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Anthozoa - Stauriida - Kielcephyllidae

Thecaxon was named by Weyer (1978) [Sepkoski's age data: D Fras-m D Fame-l Sepkoski's reference number: 174,680]. It is not extant.

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

Synonymy list
YearName and author
1978Thecaxon Weyer
1981Thecaxon Hill
2002Thecaxon Sepkoski, Jr.

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phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
subclassRugosa(Milne-Edwards and Haime 1850)
orderStauriidaVerrill 1865
suborderMetriophyllinaSpasskiy 1965
familyKielcephyllidaeRozkowska 1969
genusThecaxonWeyer 1978

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