生活 来源:产业研究网 时间:2023-01-13 14:01:18
植物活化石有水杉、珙桐、银杏树、香果树、金花茶等,其中,水杉是杉科、水杉属的落叶、针叶大乔木,在中生代白垩纪已经出现,经历了第四纪冰川浩劫。动物活化石有大蜥蜴、中华鲟、扬子鳄、鸭嘴兽、马蹄蟹等。
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