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| Kingdom Animalia |
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Agelenopsis aleenae Chamberlin & Ivie, 1935 – valid
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Agelenopsis emertoni Chamberlin & Ivie, 1935 – valid
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Agelenopsis oregonensis Chamberlin & Ivie, 1935 – valid
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Agelenopsis spatula Chamberlin & Ivie, 1935 – valid
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Araneus gemmoides Chamberlin & Ivie, 1935 – valid
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Dictyna apacheca Chamberlin & Ivie, 1935 – valid
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Erigone canthognatha Chamberlin & Ivie, 1935 – valid
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Erigone uintana Chamberlin & Ivie, 1935 – valid
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Erigone whitneyana Chamberlin & Ivie, 1935 – valid
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Ero canionis Chamberlin & Ivie, 1935 – valid
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Eulaira mana Chamberlin & Ivie, 1935 – valid
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Eustala rosae Chamberlin & Ivie, 1935 – valid
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Floricomus littoralis Chamberlin & Ivie, 1935 – valid
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Hypselistes florens bulbiceps Chamberlin & Ivie, 1935 – valid
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Hyptiotes gertschi Chamberlin & Ivie, 1935 – valid
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Kibramoa hermani Chamberlin & Ivie, 1935 – valid
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Latrodectus hesperus Chamberlin & Ivie, 1935 – valid – western black widow
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Metepeira gosoga Chamberlin & Ivie, 1935 – valid
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Mimetus aktius Chamberlin & Ivie, 1935 – valid
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Orchestina moaba Chamberlin & Ivie, 1935 – valid
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Orchestina utahana Chamberlin & Ivie, 1935 – valid
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Phidippus nikites Chamberlin & Ivie, 1935 – valid
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Phrurolithus dolius Chamberlin & Ivie, 1935 – valid
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Phrurolithus oabus Chamberlin & Ivie, 1935 – valid
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Phrurotimpus Chamberlin & Ivie, 1935 – valid
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Phrurotimpus mormon xanthus Chamberlin & Ivie, 1935 – valid
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Phrurotimpus truncatus Chamberlin & Ivie, 1935 – valid
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Phrurotimpus woodburyi utanus Chamberlin & Ivie, 1935 – valid
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Piabuna brevispina Chamberlin & Ivie, 1935 – valid
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Piabuna longispina Chamberlin & Ivie, 1935 – valid
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Piabuna pallida Chamberlin & Ivie, 1935 – valid
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Piabuna xerophila Chamberlin & Ivie, 1935 – valid
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Platoecobius Chamberlin & Ivie, 1935 – valid
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Segestria bella Chamberlin & Ivie, 1935 – valid
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Segestria cruzana Chamberlin & Ivie, 1935 – valid
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Spirembolus pachygnathus Chamberlin & Ivie, 1935 – valid
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Spirembolus pallidus Chamberlin & Ivie, 1935 – valid
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Spirembolus phylax Chamberlin & Ivie, 1935 – valid
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Spirembolus whitneyanus Chamberlin & Ivie, 1935 – valid
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Steatoda palomara Chamberlin & Ivie, 1935 – valid
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Stenoonops minutus Chamberlin & Ivie, 1935 – valid
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Trachelas pacificus Chamberlin & Ivie, 1935 – valid
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Tricholathys Chamberlin & Ivie, 1935 – valid
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Tricholathys spiralis Chamberlin & Ivie, 1935 – valid |
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