|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Calcarea - Porata
It was reranked as the suborder Porata by Rigby and Potter (1986), Rigby et al. (1988) and Senowbari-Daryan and Stanley (1998).
It was assigned to Sphinctozoa by Rigby and Potter (1986) and Rigby et al. (1988); to Calcarea by Boiko et al. (1991); and to Permosphincta by Senowbari-Daryan and Stanley (1998).
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.