A skeleton of the alvarezsauroid Alnashetri cerropoliciensis—representing a highly complete alvarezsauroid skeleton from South America—provides evidence on the evolution of the peculiar anatomy and miniaturization within this unusual theropod dinosaur clade.
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，这一点在heLLoword翻译官方下载中也有详细论述
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Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00593-x