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Mammals type image; Thomomys niger Merriam, 1901; Skull, ventral
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Mammals type image; Thomomys niger Merriam, 1901; Mandible, lateral
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Mammals type image; Thomomys niger Merriam, 1901; Skin, ventral
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Mammals type image; Thomomys niger Merriam, 1901; Skull, dorsal
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Mammals type image; Thomomys niger Merriam, 1901; Skull, lateral
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Mammals type image; Thomomys niger Merriam, 1901; Skin, dorsal
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Mammals type image; Thomomys niger Merriam, 1901; Mandible, fragment
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Mammals type image; Thomomys niger Merriam, 1901; Mandible, dorsal