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A family of large (20 to 30 inches long) plant eating rodents found in Central and South America. They are nearly tailless and have chunky bodies, dark brown fur with spotted lines along their sides and back, with stout legs and hind limbs that are longer than the forelimbs, and a large, square head with short ears.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D065469 · MeSH 2026。
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