Parent taxon: Porifera according to B.D. Webby 2015
Sister taxa: Adriatella, Aetholicopalla, Alasonia, Aphlebospongia, Archaeocyatha, Ascarum, Asteriscosella, Astrostylopsis, Axiotubullina, Bacatocyathus, Bicyathus, Bornium, Bortepesia, Calcarea, Cassianostroma, Ceraostroma, Circopora, Clathrispongia, Codites, Coenostella, Concretum, Coniatopenia, Cornuaspongia, Coronacollina, Cotyliscus, Cribricyatha, Cribroscyphia, Crisantum, Cuneiphycus, Cupulochonia, Cupulospongia, Cyclospongia, Cylicopsis, Cystiphyllum adrianense, Demospongiae, Dendropora mirfia, Desmopora, Diestosphecion, Diplostomella, Disjectoporidae, Disparistromaria, Dulmius, Dulmius innovatus, Dyocopanon, Ellipsactinia, Encrinites apiosus, Encrinites disculus, Encrinites mirus, Encrinites nudus, Encrinites patiens, Encrinites perminutus, Encrinites praedominans, Encrinites praedominans alternatus, Encrinites quaesitus, Encrinites regularis, Encrinites tolomeus, Eocoryne, Eocyathispongia, Fedomia, Floriana, Glenodictyum, Helicolocellus, Heteractinida, Hexactinellida, Holocoelia, Homoscleromorpha, Idromecrinus, Lamellata, Lamellispongia, Limnoretheles, Lithopora, Megalelasma, Megastroma, Microcoryne, Milleporidium, Mirmus, Monotheles, Myrioporina, Nabaviella, Nelumbosium, Nelumbosium primum, Oligoplagia, Palaeophragmodictya, Paratubuliella, Parksia, Pharetronida, Pilosphecion, Plectinia, Polyactinellidae, Polycnemiseudea, Psephidia, Puppispongia, Puppispongia prostrema, Radicispongia, Rauffia, Reticullina, Rimpia, Rosellatana, Rugoconites, Scillus, Sclerospongiae, Scribroporella, Scyphia, Shitangspongia, Sinoflabrum, Siphonia permiana, Siphonia permiana elongatiuscula, Siphonia permiana ovoidalis, Siphonia permiana piriformis, Siphostroma, Sparsispongia, Sphaeractinia, Sphinctozoa, Spirocyathidae, Spongites lementarius, Spongites oculatus, Sporadoporidium, Steinerella, Stromaporidium, Stromaporidium lamellatum, Stromatofungia, Stromatoporellata, Stromatoporellina, Stromatoporina, Stromatoporoidea, Stromatostroma, Taraxaculum, Textispongia, Thalamospongia, Thectardis, Toriscodermia, Tosastroma, Tragos, Trammeria, Tubispongia, Tubuliella, Vaveliksia, Virmula, Xizangstromatopora
Subtaxa: Pulchrilaminidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Whiterockian of Canada (1: Newfoundland and Labrador collection)
• Arenigian of Argentina (1)
• Arenig of Argentina (1), Canada (2: Newfoundland and Labrador), United States (3: Oklahoma, Texas)
• Ordovician of Canada (2: Newfoundland and Labrador), China (3), United States (2: Oklahoma)
Total: 15 collections each including a single occurrence