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Halysicyathus (sponge)

Regulares - Ajacicyathida

PaleoDB taxon number: 4288

Parent taxon: Ajacicyathida according to J. J. Sepkoski 2002

Sister taxa: Afiacyathus, Agyrekocyathus, Ajacicyathellus, Ajacicyathus, Aldanocyathus, Alexandricyathus, Alphacyathus, Anaptyctocyathus, Angaricyathus, Annulocyathella, Annulocyathus, Annulofungia, Antoniocoscinus, Aporosocyathus, Aptocyathella, Aptocyathus, Archaeocyathellus, Archaeofungia, Aroonacyathus, Arturocyathus, Asterocyathus, Asterotumulus, Aulocricus, Baikalocyathus, Baikalopectinus, Batschykicyathus, Bipallicyathus, Borocyathus, Botocyathus, Botomocyathus, Bractocyathus, Cadniacyathus, Carinacyathus, Carpicyathus, Chabakovicyathus, Chakassicyathus, Churanocyathus, Clathricyathus, Clathrithalamus, Compositocyathus, Conannulofungia, Cordilleracyathus, Cordobicyathus, Coscinoptycta, Crassicoscinus, Crucicyathus, Cyathocricus, Cyclocyathella, Dailycyathus, Deceptioncyathus, Degeletticyathus, Denaecyathellus, Denaecyathus, Densocyathus, Dentatocoscinus, Dentatocyathus, Didymocyathus, Diplocyathellus, Dokidocyathella, Dokidocyathus, Dupliporocyathus, Erbocyathidae, Erbocyathus, Erismacoscinus, Erugatocyathus, Ethmocoscinus, Ethmocyathus, Ethmophyllum, Fallocyathus, Fansycyathus, Flexanulus, Formosocyathus, Frinalicyathus, Gagarinicyathus, Geniculicyathus, Geocyathus, Gloriosocyathus, Gnaltacyathus, Gordonicyathus, Gordonifungia, Gumbycyathus, Heckericyathus, Hemithalamocyathus, Hupecyathellus, Hyptocyathus, Ichnusocyathus, Iljinicyathus, Inacyathella, Incurvocyathus, Inessocyathellus, Inessocyathus, Irinaecyathus, Isiticyathus, Jakutocarinus, Jakutocyathus, Jangudacyathus, Japhanicyathus, Jebileticoscinus, Joanaecyathus, Kaltatocyathus, Kandatocyathus, Kasyricyathus, Kellericyathus, Kidjasocyathus, Kidrjassocyathus, Kijacyathus, Kisasacyathus, Kiwicyathus, Kiyafungia, Kolbicyathus, Kordecyathus, Kotuyicoscinus, Kotuyicyathellus, Kotuyicyathus, Krasnopeevacyathus, Kruseicyathus, Kymbecyathus, Ladaecyathus, Larecyathus, Lenocyathus, Leptosocyathellus, Leptosocyathus, Loculicyathopsis, Lunulacyathus, Mackenziecyathus, Mattajacyathus, Membranacyathus, Mennericyathus, Mikhnocyathus, Mootwingeecyathus, Morenicyathus, Mrassocyathus, Muchattocyathus, Nalivkinicyathus, Natalijaecyathus, Nevadacyathus, Nochoroicyathellus, Nochoroicyathus, Olgaecyathus, Orbiasterocyathus, Orbicoscinus, Orbicyathellus, Orbicyathus, Orienticyathus, Pachycoscinus, Palmericyathus, Papillocyathus, Parethmophyllum, Peregrinicyathus, Piamaecyathellus, Piamaecyathus, Plicocyathus, Polycoscinus, Porocoscinus, Porocyathus, Prethmophyllum, Pretiosocyathellus, Pretiosocyathus, Procyathellus, Pseudodegeletticyathellus, Pseudotennericyathellus, Ptretiosocyathus, Putapacyathus, Rasetticyathus, Rectannulus, Retecoscinus, Retetumulus, Ringifungia, Robertocyathus, Robustocyathellus, Robustocyathus, Rossocyathella, Rotundocyathus, Rowanpectinus, Rozanovicoscinus, Rozanovicyathus, Rudanulus, Russocyathus, Sajanocyathus, Salairocyathus, Sanarkocyathus, Sanarkophyllum, Schumnyicyathus, Sclerocyathus, Sekwicyathus, Sibirecyathus, Sichotecyathus, Sigmocoscinus, Sigmocyathus, Somphocyathus, Squamosocyathus, Stapicyathus, Statanulocyathus, Stephanicyathus, Stephenicyathus, Stillicidocyathus, Subtilocyathus, Subtumulocyathellus, Svetlanocyathus, Sylviacoscinus, Syringocyathus, Tabulacyathus, Taylorcyathus, Tegerocyathus, Tennericyathus, Tercyathellus, Tercyathus, Terraecyathus, Tersicyathus, Thalamocyathellus, Thalamocyathus, Thalamopectinus, Tologoicyathus, Tomocyathus, Torosocyathella, Torosocyathellus, Torosocyathus, Trininaecyathus, Tubicoscinus, Tumulifungia, Tumulocoscinus, Tumulocyathoides, Tumulocyathus, Urcyathella, Urcyathus, Ussuricyathus, Veronicacyathus, Vologdinocyathellus, Vologdinocyathus, Voroninicyathus, Wrighticyathus, Xestecyathus, Yhecyathus, Yudjaicyathus, Yukonocyathus, Zhuravlevaecyathus, Zonacoscinus, Zonacyathus

Subtaxa: Halysicyathus pirenaicus

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Ecology: stationary intermediate-level epifaunal suspension feeder