Classification of the family Popofskyellidae

Fm. †Popofskyellidae Deflandre 1964
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G. †Cyrtentactinia Foreman 1963
G. †Kantollum Cheng 1986
Subfm. †Popofskyellinae Cheng 1986
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G. †Popofskyellum Deflandre 1964
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Popofskyellum elemense Cheng 1986
Popofskyellum palchrum Deflandre 1964
G. †Totollum Schwarzapfel and Holdsworth 1996
G. †Tuscaritellum Deflandre 1972