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Animalia
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Arthropoda
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Phacopida
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Calymenidae
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Alcymene
Calymene
Calymenella
Colpocoryphe
Flexicalymene
Gravicalymene
Neseuretus
Papillicalymene
Pharostoma
Prionocheilus
Protocalymene
Sthenarocalymene
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Alcymene