Classification of Wilson 1931

G. †Salpingostoma Roemer 1876
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Salpingostoma soperi Wilson 1931
G. †Maclurites Le Sueur 1818
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Maclurites altus Wilson 1931
G. †Maclurina Ulrich and Scofield 1897
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Maclurina manitobensis Whiteaves 1890
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