Classification of Cooper 1953
Cl. †Trilobita Walch 1771 [trilobite]
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Invalid names: Dalmanites troosti Safford 1869 [nomen nudum]
G. †Bronteopsis Nicholson and Etheridge 1879
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†Bronteopsis brumleyi Cooper 1953
†Bronteopsis tennesseensis 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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G. †Dionide Barrande 1847
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G. †Lonchodomas Angelin 1854
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†Lonchodomas carinatus Cooper 1953
†Lonchodomas punctatus 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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