Classification of the family Trochotomidae
Fm. †Trochotomidae Cox 1960
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G. †Placostoma Ferrari et al. 2015
G. †Trochotoma Eudes-Deslongchamps 1843
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Subg. †Trochotoma (Discotoma)
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†Discotoma planoconvexa Yu et al. 1974
†Trochotoma (Discotoma) gansuensis Tong and Erwin 2001
†Trochotoma (Discotoma) multipleura Pan 1977
†Trochotoma (Discotoma) yunnanensis Pan 1977
Subg. †Trochotoma (Trochotoma) Eudes-Deslongchamps 1843
†Trochotoma (Trochotoma) affinis Eudes and Deslongchamps 1843
†Trochotoma clypeus Terquem 1855
†Trochotoma elegans Gemmellaro 1889
†Trochotoma maubertense Terquem and Piette 1865
†Trochotoma orbita Pan 1982
†Trochotoma prisca Gemmellaro 1889
†Trochotoma striatum Hornes 1853
G. †Urkutitoma Szabo 1984
G. †Valfinia Cox 1958
Invalid names: Ditremariinae Haber 1934 [invalid subgroup]