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Mammals type image; Spermophilus tridecemlineatus alleni Merriam, 1898; Skin, dorsal
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Mammals type image; Spermophilus tridecemlineatus alleni Merriam, 1898; Mandible, dorsal
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Mammals type image; Spermophilus tridecemlineatus alleni Merriam, 1898; Skin, ventral
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Mammals type image; Spermophilus tridecemlineatus alleni Merriam, 1898; Mandible, ventral
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Mammals type image; Spermophilus tridecemlineatus alleni Merriam, 1898; Skull, dorsal
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Mammals type image; Spermophilus tridecemlineatus alleni Merriam, 1898; Skull, ventral
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Mammals type image; Spermophilus tridecemlineatus alleni Merriam, 1898; Skin, lateral
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Mammals type image; Spermophilus tridecemlineatus alleni Merriam, 1898; Skull, lateral