Classification of the order Monocyathida
Or. †Monocyathida Okulitch 1935
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Fm. †Favilynthidae Debrenne 1989
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G. †Favilynthus Debrenne and Zhuravleva 1974
G. †Robertiolynthus Zhuravleva 1987
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†Robertiolynthus handfieldi Zhuravlev 1987
Invalid names: Veolynthus Zhuravleva et al. 1997 [synonym]
Fm. †Globosocyathidae Okuneva 1969
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G. †Melkanicyathus Belyaeva 1969
G. †Propriolynthus Okuneva 1967
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†Propriolynthus crassus Okuneva and Repina 1973
†Propriolynthus vologdini Yakovlev 1956
Invalid names: Globosocyathus Okuneva 1969 [synonym], Tumuloglobosus Okuneva and Repina 1973 [synonym]
Fm. †Monocyathidae Bedford and Bedford 1934
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G. †Archaeolynthus Taylor 1910
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Invalid names: Monocyathus Bedford 1934 [synonym], Rhabdocyathella [synonym]
G. †Kyarocyathus Kruse 1982
Fm. †Palaeoconulariidae Chudinova 1959
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G. †Butakovicyathus Zhuravleva 1980
G. †Palaeoconularia Chudinova 1959