|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Anthozoa - Scleractinia - Caryophylliidae
It was synonymized subjectively with Meandrina by Wells (1956); it was reranked as Meandrina (Placocyathus) by Kiessling (2008).
It was assigned to Scleractinia by Sepkoski (2002); to Meandrina by Kiessling (2008); and to Caryophylliidae by Kiessling (2014).
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.