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Anthozoa - Stauriida - Zaphrentoididae

Sychnoelasma was named by Lang et al. (1940) [Sepkoski's age data: C Tour-l C Vise-l]. It is not extant.

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

Synonymy list
YearName and author
1940Sychnoelasma Lang et al.
1956Sychnoelasma Hill
1981Sychnoelasma Hill
2002Sychnoelasma Sepkoski, Jr.

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phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
subclassRugosa(Milne-Edwards and Haime 1850)
orderStauriidaVerrill 1865
familyZaphrentoididaeSchindewolf 1938
subfamilyZaphrentoidinaeSchindewolf 1938
genusSychnoelasmaLang et al. 1940

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