| Parajulidae Bollman, 1893 (Family) |
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| Paraiulus auct. (Genus) |
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| Paraiulus amulensis Pocock, 1903 (Species) |
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| Paraiulus aztecus Pocock, 1903 (Species) |
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| Paraiulus dux Chamberlin, 1914 (Species) |
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| Paraiulus furcifer (Harger, 1872) (Species) |
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| Paraiulus gyratus Loomis, 1971 (Species) |
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| Paraiulus lateralis Loomis, 1971 (Species) |
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| Paraiulus leucoclius Chamberlin, 1922 (Species) |
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| Paraiulus oregonensis Attems, 1903 (Species) |
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| Paraiulus phlobius Chamberlin, 1942 (Species) |
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| Paraiulus pueblanus Chamberlin, 1943 (Species) |
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| Paraiulus rosanus Chamberlin, 1943 (Species) |
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| Paraiulus schmidti Chamberlin, 1952 (Species) |
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| Paraiulus stylifer Pocock, 1903 (Species) |
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| Paraiulus tiganus Chamberlin, 1910 (Species) |
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| Paraiulus timpius Chamberlin, 1912 (Species) |
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| Paraiulus tivius Chamberlin, 1912 (Species) |
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| Paraiulus zakiwanus Chamberlin, 1910 (Species) |
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| Paraiulus zempoalus Chamberlin, 1943 (Species) |
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