paleofauna

n. 古动物群(指已成化石的史前某一地区或某一时期的动物群)

别名

palaeofauna

释义与例句

n.
  1. 1.

    The animals that were alive in a particular period of geological history, especially those known only as fossils

    不可数 生物 地质 动物学

词源

From paleo- + fauna.

来源：wiktionary