Classification of the order Kutorginida
Or. †Kutorginida Kühn 1949
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Superfm. †Kutorginacea Schuchert 1893
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Fm. †Yorkiidae Rowell 1962
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G. †Yorkia Walcott 1897
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†Yorkia wanneri Walcott 1897
†Yorkia washingtonensis Walcott 1897
†Yorkia zafrensis Gil-Cid and Melou 1986
Invalid names: Quebecia Walcott 1905 [synonym]
Superfm. †Kutorginoidea Schuchert 1893
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Fm. †Kutorginidae Schuchert 1893
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G. †Agyrekia Koneva 1979
G. †Haupiria MacKinnon 1983
G. †Kutorgina Billings 1861
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†Kutorgina catenata Koneva 1979
†Kutorgina chengjiangensis Zhang et al. 2007
†Kutorgina cingulata Billings 1861
†Kutorgina perugata Walcott 1905
†Kutorgina reticulata Poulsen 1932
†Kutorgina sardiniaensis Walcott 1905
Invalid names: Rustella Walcott 1905 [synonym]
Superfm. †Nisusioidea Walcott and Schuchert 1908
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Fm. †Nisusiidae Walcott and Schuchert 1908
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G. †Bellistrophia Holmer et al. 2019
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†Bellistrophia askarensis Popov et al. 2021
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Invalid names: Bellistrophia aitenensis Holmer et al. 2019 [replaced]
†Bellistrophia deissei Bell 1941
†Bellistrophia montanensis Bell 1941
G. †Khasagtina Ushatinskaya 1987
G. †Narynella Andreeva 1987
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†Narynella ferganensis Andreeva 1962
†Narynella sulcata Rowell and Caruso 1985
G. †Nisusia Walcott 1905
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†Nisusia alberta Walcott 1889
†Nisusia ancauchensis Benedetto and Foglia 2012
†Nisusia borealis Cooper 1936
†Nisusia cloudi Shaw 1957
†Nisusia festinata Billings 1861
†Nisusia festinata transversa Walcott 1886
†Nisusia fulleri Mount 1981
†Nisusia howelli Shaw 1957
†Nisusia kotujensis Andreeva 1962
†Nisusia minussensis Lermontova 1940
†Nisusia multicostata Holmer et al. 2019
†Nisusia nasuta Nikitin 1956
†Nisusia pospelovi Aksarina 1960
G. †Trematosia Cooper 1976
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†Trematosia radifer Richter and Richter 1941
†Trematosia undulata Cooper 1976