|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Anthozoa - Cystiphyllida - Cystiphyllidae
It was reranked as Hedstroemophyllum by Hill (1956) and Sepkoski (2002).
It was assigned to Cystiphyllidae by Hill (1956); to Cystiphyllum by Wedekind (1927) and Hill (1981); and to Rugosa by Sepkoski (2002).
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.