|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Anthozoa - Stauriida - Cyathophyllidae
It was reranked as Glossophyllum by Hill (1981) and Sepkoski (2002).
It was assigned to Digonophyllum by Wedekind (1924); to Cyathophyllidae by 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.