Classification of Wardlaw 1977

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G. †Ctenalosia Cooper and Stehli 1955
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†Ctenalosia fixata Cooper and Stehli 1955
G. †Derbyia Waagen 1884
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†Derbyia sulca Branson 1930
G. †Echinalosia Waterhouse 1967
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†Echinalosia indica Waagen 1884
G. †Echinauris Muir-Wood and Cooper 1960
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†Echinauris subhorrida Meek 1877
G. †Grandaurispina Muir-Wood and Cooper 1960
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†Grandaurispina arctica Whitfield 1908
G. †Kuvelousia Waterhouse 1968
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†Kuvelousia leptosa Waterhouse 1968
†Kuvelousia sphiva Waterhouse 1968
G. †Liosotella Cooper 1953
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†Liosotella delicatula Dunbar 1955
G. †Sphenosteges Muir-Wood and Cooper 1960
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†Sphenosteges hispidus Girty 1920
G. †Thamnosia Cooper and Grant 1969
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†Thamnosia depressa Cooper 1953
G. †Waagenites Paeckelmann 1930
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G. †Yakovlevia Fredericks 1925
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G. †Rhynchopora King 1865
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†Rhynchopora taylori Girty 1910
G. †Composita Brown 1849
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†Composita mira Girty 1899
†Composita parasulcata Cooper and Grant 1976
G. †Hustedia Hall and Clarke 1893
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†Hustedia elongata Cooper 1953
G. †Spiriferella Tschernyschew 1902
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†Spiriferella scobina Meek 1860
G. †Timaniella Barchatova 1968
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G. †Xestotrema Cooper and Grant 1969
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†Xestotrema pulchrum Meek 1860
G. †Dielasma King 1856
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†Dielasma phosphoriense Branson 1930
†Dielasma spatulatum Girty 1908
G. †Hemiptychina Waagen 1882
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†Hemiptychina himalayensis Davidson 1862