List of Cyclostomatida families
or Cyclostomata, are an order of stenolaemate bryozoans consisting of 7+ suborders, 59+ families, 373+ genera, 666+ species.
- Suborder Articulina
- * Family Crisiidae
- * Family Crisuliporidae
- Suborder Paleotubuliporina
- * Family Corynotrypidae
- * Family Sagenellidae
- * Family Crownoporidae
- * Family Kukersellidae
- Suborder Tubuliporina
- * Family Stomatoporidae
- * Family Cinctiporidae
- * Family Oncousoeciidae
- * Family Oncousoeciidae
- * Family Tubuliporidae
- * Family Diploclemidae
- * Family Multiparsidae
- * Family Diploclemidae
- * Family Celluliporidae
- * Family Plagioeciidae
- * Family Eleidae
- * Family terviidae
- * Family Spiroporidae
- * Family Diastoporidae
- * Family Annectocymidae
- * Family Bereniceidae
- * Family Filisparsidae
- * Family Mecynoeciidae
- * Family Diaperoeciidae
- * Family Entalophoridae
- * Family Pustuloporidae
- Suborder Fascilculina
- * Family Frondiporidae
- * Family Fasciculiporidae
- * Family Fascigeridae
- * Family Theonoidae
- * Family Actinoporidae
- * Family Siphoniotyphlidae
- * Family Hastingsiidae
- * Family Semiceidae
- Suborder Cancellata
- * Family Horneridae
- * Family Stigmatoechidae
- * Family Stegohorneridae
- * Family Petaloporidae
- * Family Calvetiidae
- * Family Crisinidae
- * Family Crassodiscoporidae
- * Family Ctyididae
- * Family Pseudidmoneidae
- * Family Radioporidae
- * Family Canaliporidae
- Suborder Cerioporina
- * Family Cerioporidae
- * Family Heteroporidae
- * Family Leiosoeciidae
- * Family Densiporidae
- * Family Canuellidae
- * Family Tretocycloeciidae
- * Family Cavidae
- * Family Corymboporidae
- * Family Gungellidae
- * Family Pseudocerioporidae
- Suborder Rectangulata
- * Family Lichenoporidae
- * Family Disporellidae