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| Kingdom Animalia |
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Elaps distans Kennicott, 1860 – invalid
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Elaps euryxanthus Kennicott, 1860 – invalid
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Eutaenia cyrtopsis Kennicott, 1860 – invalid
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Eutaenia hammondii Kennicott, 1860 – invalid
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Eutaenia haydenii Kennicott, 1860 – invalid
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Eutaenia megalops Kennicott, 1860 – invalid
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Heterodon kennerlyi Kennicott, 1860 – valid – Mexican Hog-nosed Snake, Mexican Hog-nose Snake
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Heterodon nasicus kennerlyi Kennicott, 1860 – invalid – Mexican Hog-nose Snake
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Nerodia clarkii compressicauda Kennicott, 1860 – valid – Mangrove Salt Marsh Snake, Mangrove Saltmarsh Watersnake
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Nerodia compressicauda Kennicott, 1860 – invalid
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Regina valida Kennicott, 1860 – invalid
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Tantilla nigriceps Kennicott, 1860 – valid – Plains Black-headed Snake, Culebra-encapuchada de pradera, Plains Blackhead Snake
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Tantilla nigriceps nigriceps Kennicott, 1860 – invalid |
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