Stenolaemata - Tubuliporata - Petaloporidae
Parent taxon: Cancellata according to K. Zágoršek and A. Kroh 2003
See also Bassler 1953
Sister taxa: Calvetiidae, Crisinidae, Cytididae, Horneridae, Pseudidmoneidae, Stegohorneridae
Subtaxa: Atagma Bivestis Cavarinella Choristopetalum Coelocochlea Filicrisina Grammanotosoecia Grammascosoecia Hemicellaria Laterocavea Multicavea Multizonopora Petalopora Reteporidea Sparsicavea Sulcocava
Type: Petalopora
Ecology: stationary epifaunal suspension feeder
Distribution:
• Paleocene of Denmark (1 collection)
• Cretaceous of Austria (1), France (13), Germany (4), Sweden (1), Switzerland (5), the United Kingdom (4), United States (5: Texas)
• Permian of the Russian Federation (1)
Total: 35 collections including 51 occurrences