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Mammals type images; Perognathus callistus Osgood, 1900; Skull, ventral
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Mammals type images; Perognathus callistus Osgood, 1900; Skull, dorsal
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Mammals type images; Perognathus callistus Osgood, 1900; Skin, ventral
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Mammals type images; Perognathus callistus Osgood, 1900; Skull, lateral
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Mammals type images; Perognathus callistus Osgood, 1900; Skin, dorsal
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Mammals type images; Perognathus callistus Osgood, 1900; Skin, lateral
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Mammals type images; Perognathus callistus Osgood, 1900; Mandible, dorsal
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Mammals type images; Perognathus callistus Osgood, 1900; Mandible, lateral
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Mammals type images; O[tognosis] longimembris Coues, 1875; Skull, lateral
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Mammals type images; O[tognosis] longimembris Coues, 1875; Skull, ventral
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Mammals type images; O[tognosis] longimembris Coues, 1875; Skull, dorsal
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Mammals type images; O[tognosis] longimembris Coues, 1875; Mandible, dorsal
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Mammals type images; O[tognosis] longimembris Coues, 1875; Mandible, lateral
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Mammals type images; Perognathus merriami gilvus Osgood, 1900; Skull, ventral
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Mammals type images; Perognathus merriami gilvus Osgood, 1900; Skull, dorsal
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Mammals type images; Perognathus merriami gilvus Osgood, 1900; Skull, lateral
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Mammals type images; Perognathus merriami gilvus Osgood, 1900; Mandible, dorsal
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Mammals type images; Perognathus merriami gilvus Osgood, 1900; Mandible, lateral
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Mammals type images; Perognathus merriami gilvus Osgood, 1900; Skin, dorsal
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Mammals type images; Perognathus merriami gilvus Osgood, 1900; Skin, ventral
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Mammals type images; Perognathus monticola Baird, 1857; Skull, lateral
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Mammals type images; Perognathus monticola Baird, 1857; Skull, ventral
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Mammals type images; Perognathus monticola Baird, 1857; Skin, dorsal
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Mammals type images; Perognathus monticola Baird, 1857; Skull, dorsal