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Anthozoa - Stauriida - Amplexidae

Siphonophrentis was named by O'Connell (1914) [Sepkoski's age data: D Sieg D Give Sepkoski's reference number: 2,1240]. It is not extant.

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

Species lacking formal opinion data

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Synonymy list
YearName and author
1914Siphonophrentis O'Connell
1956Siphonophrentis Hill
1981Siphonophrentis Hill
2002Siphonophrentis Sepkoski, Jr.

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phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
subclassRugosa(Milne-Edwards and Haime 1850)
orderStauriidaVerrill 1865
suborderStauriinaVerrill 1865
familyAmplexidaeChapman 1893
genusSiphonophrentisO'Connell 1914

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