Absence of the pollex in Perissodactyla. Bulletin of the AMNH ; v. 37, article 21
| Image |  |
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| Description | 1917 |
| Author/s |
author: William Diller Matthew |
| Publication date | 1917 |
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| Country of origin | |
| Wikipedia link | |
| Copyright status |
public domain in United States. public domain in countries with 80 years pma or shorter. |
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