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| Kingdom Animalia |
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Brachycis Casey, 1898 -- invalid |
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Brachycis brevicollis Casey, 1898 -- invalid |
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Ceracis californicus (Casey, 1884) -- valid |
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Cis carolinae Casey, 1898 -- invalid |
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Cis congestus Casey, 1898 -- valid |
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Cis duplex Casey, 1898 -- valid |
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Cis fraternus Casey, 1898 -- invalid |
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Cis hirsutus Casey, 1898 -- valid |
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Cis horridulus Casey, 1898 -- valid |
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Cis hystriculus Casey, 1898 -- valid |
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Cis illustris Casey, 1898 -- invalid |
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Cis impressus Casey, 1898 -- invalid |
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Cis macilentus Casey, 1898 -- invalid |
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Cis mormonicus Casey, 1898 -- invalid |
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Cis pallens Casey, 1898 -- invalid |
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Cis pistoria Casey, 1898 -- valid |
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Cis sorror Casey, 1898 -- invalid |
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Cis striolatus Casey, 1898 -- valid |
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Cis ursulinus Casey, 1898 -- valid |
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Cis versicolor Casey, 1898 -- valid |
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Ennearthron discolor Casey, 1898 -- invalid |
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Ennearthron grossulus Casey, 1898 -- invalid |
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Ennearthron laminifrons Casey, 1898 -- invalid |
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Ennearthron piceus Casey, 1898 -- invalid |
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Ennearthron pullulus Casey, 1898 -- invalid |
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Ennearthron unicornis Casey, 1898 -- invalid |
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Octotemnus denudatus Casey, 1898 -- invalid |
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Octotemnus laevis Casey, 1898 -- valid |
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Orthocis Casey, 1898 -- valid |
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Orthocis aterrimus Casey, 1898 -- invalid |
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Plesiocis Casey, 1898 -- valid |
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Plesiocis cribrum Casey, 1898 -- valid |
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Sulcacis montana Casey, 1898 -- invalid |
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Xestocis Casey, 1898 -- invalid |
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Xestocis insolens Casey, 1898 -- invalid |
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Xestocis levettei Casey, 1898 -- invalid |
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Xestocis opalescens Casey, 1898 -- invalid |
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