Classification of Morozova 2004
Or. †Trepostomida Ulrich 1882
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Fm. †Crustoporidae Dunaeva and Morozova 1967
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Fm. †Maychellinidae Gorjunova 1985
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G. †Crockfordia Morozova 2004
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†Crockfordia bruteni Crockford 1957
†Crockfordia cylindrica Crockford 1941
†Crockfordia grantonensis Crockford 1943
†Crockfordia multinodata Wass 1968
G. †Dyscritella
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†Dyscritella eximia Morozova 2004
†Dyscritella trivialis Morozova 2004
G. †Alternifenestella Termier and Termier 1971
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†Alternifenestella horologia Bretnall 1926
†Alternifenestella spinifera Crockford 1946
G. †Rectifenestella Morozova 1974
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†Rectifenestella bowenensis Wass 1968
†Rectifenestella expansa Crockford 1946
†Rectifenestella granulifera Crockford 1941