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Mammals type image; Sciurus griselavus chiapensis Nelson, 1899; Skull, dorsal
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Mammals type image; Sciurus poliopus senex Nelson, 1904; Skull, dorsal
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Mammals type image; Sciurus nelsoni Merriam, 1893; Skull, lateral
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Mammals type image; Sciurus aureogaster frumentor Nelson, 1898; Skull, dorsal
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Mammals type image; Sciurus aureogaster frumentor Nelson, 1898; Mandible, dorsal
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Mammals type image; Sciurus poliopus perigrinator Nelson, 1904; Skull, lateral
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Mammals type image; Sciurus albipes effugius Nelson, 1898; Skull, ventral
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Mammals type image; Sciurus griselavus chiapensis Nelson, 1899; Skin, dorsal
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Mammals type image; Sciurus albipes colimensis Nelson, 1898; Skin, lateral
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Mammals type image; Sciurus albipes colimensis Nelson, 1898; Mandible, dorsal
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Mammals type image; Sciurus albipes nemoralis Nelson, 1898; Skin, dorsal
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Mammals type image; Sciurus albipes colimensis Nelson, 1898; Skull, dorsal
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Mammals type image; Sciurus albipes effugius Nelson, 1898; Mandible, lateral
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Mammals type image; Sciurus poliopus perigrinator Nelson, 1904; Skull, ventral
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Mammals type image; Sciurus albipes nemoralis Nelson, 1898; Mandible, lateral
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Mammals type image; Sciurus socialis cocos Nelson, 1898; Skull, ventral
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Mammals type image; Sciurus nelsoni Merriam, 1893; Mandible, dorsal
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Mammals type image; Sciurus poliopus senex Nelson, 1904; Skull, lateral
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Mammals type image; Sciurus socialis littoralis Nelson, 1907; Skull, lateral
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Mammals type image; Sciurus aureogaster frumentor Nelson, 1898; Skin, dorsal
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Mammals type image; Sciurus socialis cocos Nelson, 1898; Skull, dorsal
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Mammals type image; Sciurus socialis cocos Nelson, 1898; Skin, lateral
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Mammals type image; Sciurus albipes nemoralis Nelson, 1898; Skin, ventral
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Mammals type image; Sciurus socialis cocos Nelson, 1898; Skull, lateral