Classification of Tozer 1980
Superfm. †Trachycerataceae Haug 1894
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Fm. †Cyrtopleuritidae Diener 1925
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G. †Neohimavatites Tozer 1980
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†Neohimavatites burlingi McLearn 1947
†Neohimavatites canadensis McLearn 1940
Fm. †Distichitidae Diener 1920
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G. †Pleurodistichites Tozer 1980
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†Pleurodistichites hindei von Mojsisovics 1896
†Pleurodistichites lilli Guembel 1861
†Pleurodistichites stotti Tozer 1980
†Pleurodistichites trailli Diener 1906
Invalid names: Arpaditidae Hyatt 1900 [empty]