Classification of Jell and Hughes 1997

G. †Diplagnostus Jaeckel 1909
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†Diplagnostus planicauda Angelin 1851
G. †Opsidiscus Westergard 1949
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G. †Hundwarella Reed 1934
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†Hundwarella memor Reed 1910
G. †Iranoleesia King 1955
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†Iranoleesia butes Walcott 1905
G. †Kunmingaspis Lu and Chang 1974
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Fm. †Damesellidae Kobayashi 1935
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G. †Damesops Chu 1959
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†Damesops sheridanorum Jell and Hughes 1997
G. †Xingrenaspis Zhang et al. 1980
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G. †Paramecephalus Zhang et al. 1980
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G. †Douposiella Lu and Zhang 1974
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†Douposiella hostilis Reed 1910
G. †Shantungaspis Chang 1957
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