Classification of the suborder Cyathophyllina

Subor. †Cyathophyllina Nicholson 1889
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Fm. †Bethanyphyllidae Stumm 1949
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G. †Bethanyphyllum Stumm 1949
G. †Tortophyllum Sloss 1939
Fm. †Campophyllidae Wedekind 1922
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G. †Campophyllum Milne-Edwards and Haime 1850
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†Campophyllum texanum Shumard 1859
Fm. †Cyathophyllidae Dana 1846
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G. †Commutatophyllum Kaplan 1971
G. †Cyathophyllum Goldfuss 1826
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Subg. †Cyathophyllum (Cyathophyllum) Goldfuss 1826
†Cyathophyllum aequiseptatum Edwards and Haime 1851
†Cyathophyllum cannopse de Gregorio 1930
†Cyathophyllum captiosum de Gregorio 1930
†Cyathophyllum dianthus Goldfuss 1826
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Invalid names: Prismatophyllum flexum Stumm 1838 [synonym]
†Cyathophyllum eurekaense Merriam 1974
†Cyathophyllum funatum de Gregorio 1930
†Cyathophyllum occidens Stumm 1938
†Cyathophyllum palmeri Meek 1877
†Cyathophyllum propevermiculare de Gregorio 1930
†Cyathophyllum ramosum de Gregorio 1930
†Cyathophyllum rugosum Hall 1834
†Cyathophyllum zenkeri Billings 1860
Invalid names: Orthocyathus Merriam 1974 [synonym]
G. †Glossophyllum Wedekind 1924
G. †Heterophaulactis Yü 1974
G. †Houershanophyllum Yü and Liao 1978
G. †Loomberaphyllum Pedder 1965
G. †Mansuyphyllum Fontaine 1961
G. †Mictophyllum Lang and Smith 1939
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G. †Moravophyllum Kettnerova 1932
G. †Peripaedium Ehrenberg 1834
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†Peripaedium winwinkyiae Aye Ko 1995
G. †Pseudozaphrentis Sun 1958
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†Pseudozaphrentis intermissa Schroeder and Salerno 2001
G. †Qiannanophyllum Kong 1978
G. †Radiophyllum Hill 1942
G. †Sterictophyllum Pedder 1965
Fm. †Eridophyllidae Fromentel 1861
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Subfm. †Cylindrophyllinae Oliver 1974
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G. †Acinophyllum McLaren 1959
G. †Asterobillingsia Oliver 1974
G. †Cylindrophyllum Simpson 1900
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Invalid names: Cylindrohelium Grabau 1910 [synonym]
G. †Prismatophyllum Simpson 1900
Subfm. †Eridophyllinae Fromentel 1861
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G. †Capnophyllum Sutherland 1965
G. †Eridophyllum Milne-Edwards and Haime 1850
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†Eridophyllum seriale Milne-Edwards and Haime 1850
Invalid names: Craspedophyllum Dybowski 1873 [synonym], Crepidophyllum Nicholson and Thomson 1876 [synonym], Schistotoechelasma Lang et al. 1940 [synonym], Schistotoecholasma Stewart 1938 [synonym]
G. †Grewgiphyllum Oliver 1974
G. †Tipheophyllum Hill 1956
Fm. †Ptychophyllidae Dybowski 1873
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G. †Cyathactis Soshkina 1955
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†Cyathactis balticus Kaljo 1958
†Cyathactis gazellensis Merriam 1972
G. †Implicophyllum Sytova 1966
G. †Ptychophyllum Milne-Edwards and Haime 1850
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Fm. †Zaphrentidae Milne-Edwards and Haime 1850
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G. †Aemulophyllum Oliver 1958
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†Aemulophyllum exiguum Billings 1860
G. †Cyathocylindrium Oliver 1974
G. †Heliophylloides Stumm 1949
G. †Heliophyllum Hall 1846
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†Heliophyllum halli Edwards and Haime 1851
†Heliophyllum reflexum Hall 1876
†Heliophyllum solidum Hall and Whitfield 1873
Invalid names: Heliogonium Chapman 1893 [synonym]
G. †Keriophyllum Wedekind 1923
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Invalid names: Ceriophyllum Lang et al. [synonym]
G. †Phymatophyllum Stumm 1965
G. †Zaphrenthis Rafinesque and Clifford 1820
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Invalid names: Helenterophyllum Grabau 1910 [synonym], Heliophrentis Grabau 1910 [synonym], Zaphrentis Haime 1850 [synonym]