Classification of the suborder Esthonioporina
Subor. †Esthonioporina Astrova 1978
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Fm. †Aisenvergiidae Dunaeva 1964
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Subfm. †Aisenvergiinae Dunaeva 1964
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G. †Aisenvergia
G. †Orbiramus Xia et al. 2007
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†Orbiramus minus Xia et al. 2007
†Orbiramus normalis Xia et al. 2007
†Orbiramus ovalis Xia et al. 2007
G. †Eridotrypa Ulrich 1893
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†Eridotrypa aedilis Eichwald 1855
†Eridotrypa aedilis minor Ulrich 1893
†Eridotrypa exigua Ulrich 1893
†Eridotrypa mutabilis Ulrich 1893
†Eridotrypa norvegica Brood 1980
†Eridotrypa obliqua Conti 1990
†Eridotrypa simulatrix Ulrich 1890
†Eridotrypa suecica Brood 1978
G. †Newportopora Ross 1967
Subfm. †Orbiporinae Astrova 1978
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G. †Nekhorosheviella Modzalevskaya 1953
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†Nekhorosheviella nodulifera Xia et al. 2007
†Nekhorosheviella semisphaerica Xia et al. 2007
G. †Orbipora Eichwald 1856
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†Orbipora acanthophora Bassler 1911
†Orbipora ambiensis Waagen and Wentzel 1886
†Orbipora distincta Eichwald 1829
†Orbipora fungiformis Eichwald 1860
†Orbipora indenta Bassler 1911
†Orbipora lynnensis Koromyslova 2007
†Orbipora minima Kiepura 1962
†Orbipora solida Bassler 1911
†Orbipora ukhakuensis Koromyslova 2007
†Orbipora utahensis Hinds 1970
Invalid names: Orbitulites Eichwald 1829 [replaced]
Invalid names: Dianulitidae Vinassa de Regny 1920 [empty]