Classification of Cooper 1953

Cl. †Trilobita Walch 1771 [trilobite]
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Invalid names: Dalmanites troosti Safford 1869 [nomen nudum]
G. †Trinodus M'Coy 1846
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Trinodus elspethi Raymond 1925
G. †Bronteopsis Nicholson and Etheridge 1879
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Bronteopsis brumleyi Cooper 1953
G. †Ampyx Dalman 1827
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Ampyx lobatus Cooper 1953
Ampyx virginiensis Cooper 1953
G. †Ampyxina Ullrich 1922
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Ampyxina powelli Raymond 1920
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Invalid names: Ampyxina scarabeus Butts 1941 [synonym]
G. †Dionide Barrande 1847
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Dionide holdeni Raymond 1925
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Invalid names: Dionide contrita Raymond 1920 [synonym]
G. †Edmundsonia Cooper 1953
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Edmundsonia typa Cooper 1953
G. †Eorobergia Cooper 1953
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Eorobergia marginalis Raymond 1925
G. †Lonchodomas Angelin 1854
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Lonchodomas carinatus Cooper 1953
Lonchodomas punctatus Cooper 1953
G. †Robergia Wiman 1905
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Robergia deckeri Cooper 1953
G. †Holdenia Cooper 1953
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Holdenia typa Cooper 1953
G. †Porterfieldia Cooper 1953
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Porterfieldia caecigenus Raymond 1920
G. †Salteria Thomson 1864
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Salteria americana Cooper 1953
G. †Isbergia Warburg 1925
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Isbergia virginica Cooper 1953
G. †Proetus Steininger 1831
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Proetus blandi Cooper 1953
G. †Bevanopsis Cooper 1953
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Bevanopsis ulrichi Cooper 1953
G. †Calyptaulax Cooper 1930
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Calyptaulax holstonensis Raymond 1925
G. †Ceraurinella Cooper 1953
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Ceraurinella typa Cooper 1953
G. †Pliomerella Reed 1941
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Pliomerella americana Cooper 1953
Fm. †Phacopidae Hawle and Corda 1847
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G. †Calliops Delo 1935
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Calliops angusta Cooper 1953
Calliops brevipostica Cooper 1953
Calliops buttsi Cooper 1953
Calliops loxorachis Cooper 1953
Calliops mesleri Cooper 1953
Calliops troosti Safford and Vogdes 1889
Fm. †Encrinuridae Angelin 1854
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G. †Cybeloides Slocum 1913
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Cybeloides buttsi Cooper 1953
Cybeloides virginiensis Cooper 1953