Classification of Winston and Nicholls 1967

G. †Briscoia Walcott 1924
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†Briscoia hartti Walcott 1879
†Briscoia llanoensis Winston and Nicholls 1967
G. †Saukiella Ulrich and Resser 1933
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†Saukiella junia Walcott 1914
†Saukiella norwalkensis Ulrich and Resser 1933
G. †Bowmania Walcott 1925
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†Bowmania americana Walcott 1884
G. †Corbinia Walcott 1924
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†Corbinia apopsis Winston and Nicholls 1967