|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gymnolaemata - Cheilostomata - Spiroporinidae
It was assigned to Gigantoporidae by Canu and Bassler (1935); to Schizoporellidae by Brown (1952); to Spiroporinidae by Cheetham (1972); and to Cyclostomata 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.