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Ajacicyathida

Archaeocyatha - Ajacicyathida

Taxonomy
Ajacicyathida was named by Bedford and Bedford (1939). It is not extant.

It was assigned to Regulares by Sepkoski (2002).

Subtaxa
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, Halysicyathus, 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 (syn. Porocyathellus), 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

View classification of included taxa

Synonymy list
YearName and author
1939Ajacicyathida Bedford and Bedford
2002Ajacicyathida Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Life
phylumPoriferaGrant 1836
classArchaeocyatha(Vologdin 1937)
RankNameAuthor
classRegularesVologdin 1937
orderAjacicyathidaBedford and Bedford 1939
orderAjacicyathidaBedford and Bedford 1939

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.

Diagnosis
No diagnoses are available