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Anthozoa - Stauriida - Disphyllidae

Haplothecia was named by Frech (1885) [Sepkoski's age data: D Give-u D Fras-u Sepkoski's reference number: 174,680]. It is not extant.

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

Species lacking formal opinion data

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Synonymy list
YearName and author
1885Haplothecia Frech
1956Haplothecia Hill
1981Haplothecia Hill
2002Haplothecia Sepkoski, Jr.

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phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
subclassRugosa(Milne-Edwards and Haime 1850)
orderStauriidaVerrill 1865
suborderColumnariinaRominger 1876
familyDisphyllidaeHill 1939
subfamilyHexagonariinaeBulvanker 1958
genusHaplotheciaFrech 1885

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