Classification of Bassler 1919

G. †Tetranota Ulrich and Scofield 1897
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Tetranota obsoleta Ulrich and Scofield 1897
G. †Lophospira Whitfield 1886
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Lophospira bicincta Hall 1847
G. †Leptobolus Hall 1871
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Leptobolus ovalis Bassler 1919
G. Lingula BruguiƩre 1797
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Lingula nicklesi Bassler 1919