|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Calcarea - Aporata
It was reranked as the suborder Aporata by Rigby and Potter (1986), Rigby et al. (1988) and Rigby et al. (1994).
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 Rigby et al. (1994).
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.