Classification of the class Sphenopsida

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G. †Archaeocalamites Stur 1875
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†Archaeocalamites radiatus Brongniart 1875
G. †Bengalia Maheshwari et al. 1988
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†Bengalia raniganjensis Maheshwari et al. 1988
G. †Brukmannia Sternberg 1825
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†Brukmannia tenuifolia Sternberg 1825
G. †Calamospora Schopf et al.
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†Calamospora aplata Bharadwaj and Salujha 1964
†Calamospora exila Bharadwaj and Salujha 1964
†Calamospora mesozoica Couper 1958
†Calamospora multiplicata Menendez and Azcuy 1969
†Calamospora rotata Salujha 1965
G. †Carpannularia Elias 1931
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G. †Ceratophyllites Unger 1845
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†Ceratophyllites faujasii Brongniart 1822
G. †Endocalamites Grand'Eury 1877
G. †Eupalaeostachya Ishchenko 1965
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†Eupalaeostachya devonica Ishchenko 1965
G. †Kallostachys Brush and Barghoorn 1955
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†Kallostachys scottii Brush and Barghoorn 1955
Fm. †Lilpopiaceae Conert and Schaarschmidt 1970
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G. †Lilpopia Conert and Schaarschmidt 1970
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†Lilpopia raciborskii Lilpop 1937
Invalid names: Tristachya Lilpop 1937 [replaced]
G. †Lobatannularia Kawasaki 1927
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Invalid names: Kashmiropteris meyenii Kapoor 1977 [synonym], Kawizophyllum dunpathriensis Kapoor 1977 [synonym]
†Lobatannularia inequifolia Tokunaga 1927
Invalid names: Annularites Halle 1927 [synonym], Kashmiropteris Kapoor 1977 [synonym], Kawizophyllum Kapoor 1977 [synonym]
G. †Paracalamites Zalessky 1927
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†Paracalamites striatus Schmalhausen 1927
G. †Prynadaia Sixtel 1956
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†Prynadaia madygenica Sixtel 1956
G. †Sphenostrobus Levittan and Barghoorn 1948
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†Sphenostrobus thompsonii Levittan and Barghoorn 1948
G. †Sphondylophyton Schultes and Dorf 1938
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†Sphondylophyton hyenioides Schultes and Dorf 1938