Classification of Tekin 2002
Or. Spumellaria Ehrenberg 1875
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Fm. †Capnuchosphaeridae De Wever 1979
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G. †Paratriassoastrum Kozur and Mostler 1981
G. †Risella Carter 1993
Or. Nassellaria Ehrenberg 1875
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G. †Ayrtonius Sugiyama 1997
G. †Globolaxtorum Carter 1993
†Praemesosaturnalis heilongjiangensis Yang and Mizutani 1991
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†Praemesosaturnalis heilongjiangensis aksekiensis Tekin 2002