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Ajacicyathida
Taxonomy
Ajacicyathida was named by Bedford and Bedford (1939).
It was assigned to Regulares by Sepkoski (2002); and to Archaeocyatha by Debrenne et al. (2015).
It was assigned to Regulares by Sepkoski (2002); and to Archaeocyatha by Debrenne et al. (2015).
Synonyms
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Synonymy list
Year | Name and author |
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1873 | Archaeocyathellus Ford |
1910 | Somphocyathus Taylor |
1939 | Ajacicyathida Bedford and Bedford |
1943 | Nevadacyathus Okulitch |
1973 | Archaeocyathellus Okuneva and Repina |
1974 | Nevadacyathus Sokolov et al. |
1994 | Somphocyathus Zhuravlev and Gravestock |
2002 | Ajacicyathida Sepkoski |
2002 | Tabulacyathus Sepkoski |
2015 | Ajacicyathida Debrenne et al. p. 6 |
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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.
Or. †Ajacicyathida Bedford and Bedford 1939
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Subor. †Ajacicyathina Bedford and Bedford 1939
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Superfm. †Annulocyathoidea Krasnopeeva 1953
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Fm. †Annulocyathidae Krasnopeeva 1953
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G. †Annulocyathella Vologdin 1962
G. †Annulocyathus Vologdin 1937
Fm. †Jakutocarinidae Debrenne et al. 1989
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G. †Kosticyathus Debrenne and Zhuravlev 2000
G. †Kruseicyathus Zhuravleva et al. 1997
G. †Rossocyathella
G. †Russocyathus
Fm. †Tumulifungiidae Rozanov 1989
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G. †Sclerocyathus
G. †Subtumulocyathellus Osadchaya et al. 1979
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†Subtumulocyathellus vulgaris Osadchaya et al. 1979
Invalid names: Arturocyathus Debrenne et al. 1990 [synonym]
G. †Tumulifungia Zhuraleva 1968
Superfm. †Bronchocyathoidea Bedford and Bedford 1936
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Fm. †Ajacicyathidae Bedford and Bedford 1939
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G. †Ajacicyathus Bedford and Bedford 1939
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†Ajacicyathus crassus Debrenne 1961
†Ajacicyathus nevadensis Okulitch 1943
†Ajacicyathus yukonensis Kawase and Okulitch 1957
G. †Dentatocyathus Okuneva 1972
G. †Iljinicyathus Zhuravleva 1972
G. †Nochoroicyathus Zhuravleva 1951
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†Nochoroicyathus diadromus Osadchaya et al. 1979
†Nochoroicyathus fragilis Osadchaya et al. 1979
†Nochoroicyathus hollardi Debrenne 1958
†Nochoroicyathus howelli Vologdin 1940
†Nochoroicyathus oblongus Perejon et al. 2000
†Nochoroicyathus salutensis Perejon et al. 1994
†Nochoroicyathus sunnaginicus Zhuravleva 1960
Invalid names: Ajacicyathellus Debrenne 1958 [synonym], Aldanocyathus Voronin 1979 [synonym], Howellicyathus Vologdin 1962 [synonym]
G. †Orbicyathus Vologdin 1937
G. †Robustocyathellus Konyushkov 1972
G. †Rotundocyathus Vologdin 1960
G. †Sibirecyathus Vologdin 1937
G. †Stapicyathus Debrenne 1964
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†Stapicyathus activus Osadchaya et al. 1979
Invalid names: Nochoroicyathellus Osadchaya et al. 1979 [synonym]
G. †Turgorocyathus Skorlotova 2013
Fm. †Bipallicyathidae Debrenne et al. 1989
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G. †Bipallicyathus
G. †Heckericyathus Zhuravleva 1960
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†Heckericyathus heckeri Zhuravleva and Zelenov 1955
†Heckericyathus vetrovi Zhuravleva and Korde 1975
Fm. †Bronchocyathidae Bedford and Bedford 1936
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G. †Compositocyathus
G. †Conannulofungia
G. †Cyathocricus
G. †Denaecyathus
G. †Gordonicyathus Zhuravleva 1959
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†Gordonicyathus absolutus Okuneva and Repina 1973
†Gordonicyathus dorfi Handfield 1971
†Gordonicyathus howelli Vologdin 1932
†Gordonicyathus levis Gravestock 1984
†Gordonicyathus orientalis Okuneva and Repina 1973
†Gordonicyathus pledgei Gravestock 1984
†Gordonicyathus systylus Gravestock 1984
†Gordonicyathus walteri Gravestock 1984
Invalid names: Sichotecyathus Okuneva and Repina 1973 [synonym]
G. †Gordonifungia
G. †Morenicyathus
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Invalid names: Denaecyathellus Osadchaya et al. 1979 [synonym], Kellericyathus [synonym]
G. †Pseudotennericyathellus Osadchaya et al. 1979
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†Pseudotennericyathellus latus Osadchaya et al. 1979
†Pseudotennericyathellus nelliae Osadchaya et al. 1979
G. †Sagacyathus Kruse 1982
G. †Svetlanocyathus
G. †Taylorcyathus
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†Taylorcyathus malleus Gravestock 1984
†Taylorcyathus viai Perejon et al. 1994
Invalid names: Tersicyathus [synonym], Thalamocyathellus Osadchaya et al. 1979 [synonym]
G. †Taylorfungia Perejon 1989
G. †Thalamocyathus
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†Thalamocyathus inclinatus Osadchaya et al. 1979
Invalid names: Bronchocyathus Bedford and Bedford 1936 [synonym], Thalamopectinus Debrenne 1973 [synonym]
G. †Trininaecyathus
Fm. †Densocyathidae Vologdin 1937
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G. †Angustocyathus Skorlotova 2013
G. †Cadniacyathus
G. †Dailycyathus
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†Dailycyathus cupulosus Gravestock 1984
Invalid names: Joanaecyathus Gravestock 1984 [synonym]
G. †Densocyathus
G. †Khirgisocyathus Voronin 1988
G. †Natalijaecyathus Kotel'nikov 1995
G. †Tennericyathus
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†Tennericyathus rarus Osadchaya et al. 1979
†Tennericyathus veronicae Osadchaya et al. 1979
Invalid names: Raropectinus Debrenne and Rozanov 1983 [synonym]
Fm. †Ethmocyathidae Debrenne 1969
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G. †Baikalocyathus
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†Baikalocyathus capulus Gravestock 1984
†Baikalocyathus rimosus Gravestock 1984
†Baikalocyathus squamosus Gravestock 1984
Invalid names: Baikalopectinus Gravestock 1984 [synonym]
G. †Carpicyathus
G. †Degeletticyathus
G. †Ethmocyathus
G. †Gnaltacyathus
G. †Hyptocyathus
G. †Inessocyathellus
G. †Inessocyathus
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†Inessocyathus clarus Gravestock 1984
Invalid names: Rowanpectinus Gravestock 1984 [synonym], Voroninicyathus [synonym]
G. †Mackenziecyathus
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†Mackenziecyathus kropotkini Okuneva and Repina 1973
Invalid names: Ussuricyathus Okuneva and Repina 1973 [synonym]
G. †Rasetticyathus
G. †Terraecyathus Zhuravleva 1974
G. †Ussuricyathellus Voronin 1988
G. †Zonacyathellus Zhuravleva 1974
Fm. †Sajanocyathidae Vologdin 1956
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G. †Chakassicyathus Zhuravleva and Elkina 1974
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†Chakassicyathus pseudoratus Zhuravleva 1967
†Chakassicyathus solidus Konjushkov and Zhuravleva 1967
G. †Emucyathus Kruse and Moreno-Eiris 2013
G. †Formosocyathus
G. †Irinaecyathus
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†Irinaecyathus kalleganovi Osadchaya et al. 1979
Invalid names: Kandatocyathus Osadchaya et al. 1979 [synonym]
G. †Kiwicyathus Debrenne and Kruse 1986
G. †Sajanocyathus
G. †Siderocyathus Debrenne et al. 1990
G. †Zonacyathus
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†Zonacyathus borealis Handfield 1971
†Zonacyathus princetonensis Handfield 1971
Invalid names: Diplocyathellus [synonym]
Superfm. †Erbocyathoidea Vologdin and Zhuravleva 1956
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Fm. †Tegerocyathidae Krasnopeeva 1972
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G. †Krasnopeevaecyathus Rozanov 1964
G. †Tegerocyathus
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†Tegerocyathus karakolicus Osadchaya et al. 1979
†Tegerocyathus ultrus Osadchaya et al. 1979
Invalid names: Alexandricyathus Osadchaya et al. 1979 [synonym]
Fm. †Vologdinocyathidae Yaroshevich 1957
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G. †Gumbycyathus
G. †Inacyathella
G. †Kordecyathus
G. †Sanarkophyllum
G. †Vologdinocyathus
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†Vologdinocyathus infinitus Osadchaya et al. 1979
Invalid names: Larecyathus Osadchaya et al. 1979 [synonym], Tegerocyathella Konyushkov 1967 [synonym]
Superfm. †Ethmophylloidea Okulitch 1937
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Fm. †Ethmophyllidae Okulitch 1937
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G. †Angaricyathus Zhuravleva 1965
G. †Aulocricus
G. †Dupliporocyathus
G. †Ethmophyllum Meek 1868
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†Ethmophyllum americanum Cooper et al. 1952
†Ethmophyllum chankensis Okuneva and Repina 1973
†Ethmophyllum cooperi Cooper et al. 1952
†Ethmophyllum gracile Meek 1868
†Ethmophyllum meeki Walcott 1890
†Ethmophyllum whitneyi Meek 1868
G. †Kolbicyathus
G. †Parethmophyllum
G. †Squamosocyathus
G. †Stephenicyathus Voronova et al. 1987
Fm. †Fallocyathidae Rozanov 1969
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G. †Sekwicyathus Handfield 1971
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†Sekwicyathus nahanniensis Handfield 1971
†Sekwicyathus polygonalis Perejon et al. 1994
Fm. †Gloriosocyathidae Rozanov 1969
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G. †Gandinocyathus Debrenne and Debrenne 2007
G. †Gloriosocyathus
Fm. †Kijacyathidae Zhuravleva 1964
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G. †Aporosocyathus Kruse 1978
G. †Fansycyathus
G. †Flexanulus
G. †Kijacyathus
G. †Protocyathus Ford 1878
G. †Qinlingocyathus Yang and Yuan 2012
G. †Yudjaicyathus
Superfm. †Lenocyathoidea Zhuravleva 1956
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Fm. †Torosocyathidae Debrenne et al. 2002
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G. †Torosocyathella Kotel'nikov 1995
G. †Torosocyathus Kashina 1972
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†Torosocyathus provisus Vologdin and Kashina 1972
Invalid names: Rewardocyathus Rozanov 1973 [synonym]
Superfm. †Pretiosocyathoidea Rozanov 1969
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Fm. †Pretiosocyathidae Rozanov 1969
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G. †Jangudacyathus
G. †Loculicyathopsis Zhuravleva et al. 1997
G. †Pretiosocyathus Rozanov 1966
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†Pretiosocyathus toltschiensis Osadchaya et al. 1979
Invalid names: Pretiosocyathellus Osadchaya et al. 1979 [synonym]
Superfm. †Sigmocyathoidea Krasnopeeva 1953
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Superfm. †Tercyathoidea Vologdin 1939
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Fm. †Botomocyathidae Zhuravleva 1955
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G. †Botomocyathus
G. †Clathrithalamus Debrenne and Kruse 1986
Superfm. †Tumulocyathoidea Krasnopeeva 1953
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Fm. †Konjuschkovicyathidae Debrenne and Zhuravlev 2000
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G. †Konjuschkovicyathus Debrenne and Zhuravlev 2000
Fm. †Tumulocyathidae Krasnopeeva 1953
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G. †Isiticyathus
G. †Kotuyicyathellus Osadchaya et al. 1979
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†Kotuyicyathellus minus Osadchaya et al. 1979
Invalid names: Borocyathus [synonym]
G. †Plicocyathus Vologdin 1960
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†Plicocyathus torosus Osadchaya et al. 1979
Invalid names: Torosocyathellus Osadchaya et al. 1979 [synonym], Tumulocyathellus Zhuravleva 1960 [synonym]
G. †Tumulocyathus
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†Tumulocyathus raroseptatus Osadchaya et al. 1979
†Tumulocyathus subpustulatus Osadchaya et al. 1979
†Tumulocyathus transitus Gravestock 1984
Invalid names: Kotuyicyathus Zhuravleva 1960 [synonym], Tumulocyathoides Zhuravleva et al. 1997 [synonym]
G. †Botocyathus
Subor. †Dokidocyathina Vologdin 1957
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Superfm. †Dokidocyathoidea Bedford and Bedford 1936
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Fm. †Dokidocyathellidae Debrenne 1964
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G. †Dokidocyathella Zhuravleva 1960
G. †Incurvocyathus Rozanov and Missarzhevsky 1966
Fm. †Dokidocyathidae Bedford and Bedford 1936
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G. †Dokidocyathus Taylor 1910
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†Dokidocyathus bogradiensis Osadchaya et al. 1979
†Dokidocyathus genuinus Gravestock 1984
†Dokidocyathus osseus Gravestock 1984
†Dokidocyathus triangulus Gravestock 1984
Superfm. †Kaltatocyathoidea Kerner et al. 2011
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Fm. †Kaltatocyathidae Rovanov 1964
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G. †Kaltatocyathus Zhuravleva et al. 1964
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†Kaltatocyathus gregarius Gravestock 1984
Invalid names: Aroonacyathus Gravestock 1984 [synonym]
Superfm. †Kidrjasocyathoidea Rozanov 1964
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Fm. †Kidrjasocyathidae Rozanov 1964
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G. †Kidrjasocyathus Rozanov 1960
G. †Kidrjasocyathus Rozanov 1960
Superfm. †Kymbecyathoidea Debrenne et al. 1990
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Fm. †Kymbecyathidae Debrenne et al. 1990
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G. †Kymbecyathus Debrenne and Kruse 1986
G. †Orbiasterocyathus Zhuravleva 1964
G. †Urcyathus
Superfm. †Papillocyathoidea Rozanov 1989
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Superfm. †Soanicyathoidea Rozanov 1964
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Fm. †Soanicyathidae Rozanov 1964
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G. †Batschykicyathus Zhuravlev 1983
G. †Subtilocyathus Vologdin 1960
Subor. †Erismacoscinina Debrenne et al. 1989
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Superfm. †Coscinoptyctoidea Debrenne et al. 1989
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Superfm. †Ethmocoscinoidea Zhuravleva 1957
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Fm. †Tumulocoscinidae Zhuravleva 1960
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G. †Asterotumulus
G. †Orbicoscinus
G. †Retetumulus
G. †Tumulocoscinus
Superfm. †Mootwingeecyathoidea Kruse 1982
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Superfm. †Polycoscinoidea Debrenne 1964
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Fm. †Veronicacyathidae Debrenne et al. 2002
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G. †Veronicacyathus
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†Veronicacyathus limbatus Gravestock 1984
†Veronicacyathus radiatus Gravestock 1984
Invalid names: Bractocyathus [synonym]
Superfm. †Porocoscinoidea Debrenne 1964
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Superfm. †Salairocyathoidea Zhuravleva 1956
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Fm. †Asterocyathidae Vologdin 1956
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G. †Antoniocoscinus Zhuravlev 1988
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†Antoniocoscinus sardicus Perejon et al. 2000
†Antoniocoscinus terradensis Perejon et al. 1994
G. †Asterocyathus Vologdin 1940
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Asterocyathus densus Vologdin 1940
†Asterocyathus salairicus Vologdin 1940
G. †Erismacoscinus Debrenne 1958
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†Erismacoscinus bornemanni Perejon et al. 2000
†Erismacoscinus uniporus Handfield 1971
Invalid names: Churanocyathus [synonym]
G. †Retecoscinus
Fm. †Rudanulidae Debrenne et al. 1989
+
G. †Pilodicoscinus Debrenne and Jiang 1989
G. †Rudanulus
G. †Yhecyathus Belyaeva and Kesin 1995
Fm. †Salairocyathidae Zhuravleva 1956
+
G. †Kotuyicoscinus
G. †Polystillicidocyathus Debrenne 1959
G. †Salairocyathus
Superfm. †Sigmocoscinoidea Bedford and Bedford 1939
+
G. †Kidjasocyathus Rozanov 1960
G. †Procyathellus
G. †Ptretiosocyathus Rozanov 1966
G. †Stephanicyathus Voronova et al. 1987
Invalid names: Archaeocyathellus Ford 1873 [nomen dubium], Nevadacyathus Okulitch 1943 [nomen dubium], Somphocyathus Taylor 1910 [nomen dubium], Tabulacyathus [nomen dubium]
Diagnosis
Reference | Diagnosis | |
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F. Debrenne et al. 2015 | Cup two walled, solitary or low modular; inner wall of centripetal type of devel- opment; intervallum with septa, with or without plate tabulae |