这个词是什么意思？
A placental mammal superorder that contains ELEPHANTS; MANATEES; DUGONGS; SIRENIANS; HYRAXES; AARDVARKS; elephant shrews (Macroscelidea); TENRECS; Golden moles (Chrysochloridae). Largely classified based on DNA sequence afrotherian mammals are diverse in morphology but share some common anatomical features (e.g., appearance of four‐lobed ALLANTOIS and long and mobile snout).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000091122 · MeSH 2026。
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