Classification of Ross 1963

Or. †Trepostomida Ulrich 1882
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G. †Lamottopora Ross 1963
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Lamottopora duncanae Ross 1963
Or. †Cryptostomata Vine 1884
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Fm. †Arthrostylidae Ulrich 1882
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G. †Helopora Hall 1851
Or. †Trepostomata Ulrich 1882
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G. †Nicholsonella Ulrich 1890