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| Kingdom Animalia | 
|  | Brachycranion corpulentum Hallowell, 1854 – invalid | 
|  | Bufo maculatus Hallowell, 1854 – invalid | 
|  | Bufo regularis maculatus Hallowell, 1854 – invalid | 
|  | Coelopeltis virgata Hallowell, 1854 – invalid | 
|  | Crotalus cerastes Hallowell, 1854 – valid – Sidewinder, Víbora-cascabel cornuda | 
|  | Crotalus cerastes cerastes Hallowell, 1854 – valid – Mojave Desert Sidewinder, Mohave Desert Sidewinder | 
|  | Crotalus ornatus Hallowell, 1854 – valid – Eastern Black-tailed Rattlesnake | 
|  | Dipsosaurus Hallowell, 1854 – valid – Desert Iguanas | 
|  | Echis squamigera Hallowell, 1854 – invalid | 
|  | Emys nigra Hallowell, 1854 – invalid | 
|  | Hyla regilla hypochondriaca Hallowell, 1854 – invalid | 
|  | Hyla scapularis hypochondriaca Hallowell, 1854 – invalid | 
|  | Rhinostoma occipitale Hallowell, 1854 – invalid | 
|  | Sceloporus biseriatus Hallowell, 1854 – invalid | 
|  | Sceloporus magister Hallowell, 1854 – valid – Desert Spiny Lizard, Lagartija-escamosa de desierto | 
|  | Sceloporus magister magister Hallowell, 1854 – valid – Desert Spiny Lizard, Sonoran Spiny Lizard, Purple-backed Spiny Lizard | 
|  | Sceloporus occidentalis biseriatus Hallowell, 1854 – valid – San Joaquin Fence Lizard | 
|  | Urosaurus Hallowell, 1854 – valid – Tree Lizards, Brush Lizards | 
|  | Urosaurus graciosus Hallowell, 1854 – valid – Long-tailed Brush Lizard, Lagartija-arbolera cola larga | 
|  | Urosaurus graciosus graciosus Hallowell, 1854 – valid – Western Brush Lizard, Western Long-tailed Brush Lizard, Western Long-tailed Lizard | 
        
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