• 科学家们这些化石鱼已知恐龙化石进行比对确定新发现恐龙所属种类

    They used the bones they discovered to match certain known criteria to determine what species of dinosaur they came from.

    youdao

  • 有趣是,那里蛤蜊蜗牛但是没有化石

    Interestingly, there are clams and snail shells; but, no fossils of fish.

    youdao

  • 这块古代排泄物化石烧焦多刺种子散落在一起,点缀来自啮齿目动物块骨头

    The ancient fecal material, or coprolite, was littered with seared prickly pear seeds and flecked with small bones from fish, birds, and rodents.

    youdao

  • 通过比较化石照片研究人员猜测出已灭绝物种的形状。

    By comparing photos of rotting fish to fossils, researchers can guess what the extinct creature looked like.

    youdao

  • 目的大多化石形式存在

    Crossopterygii; most known only in fossil form.

    youdao

  • 多骨刺化石显示白垩纪它们欧洲非洲水域游弋

    Fossils of Caproberyx indicate they swam the waters of Europe and Africa during the Cretaceous period.

    youdao

  • 进化中头索动物文昌认为接近脊椎动物化石

    In evolution, Amphioxus, a cephalochordate, has been regarded as the living fossil closest to the vertebrates.

    youdao

  • 近日科学家成功拍摄到迄今世界第一个活腔视频图像。腔棘素有化石”之称。

    Scientists have captured the world's first images of a baby coelacanth recently . It is an extremely rare type of fish known as a 'living fossil'.

    youdao

  • 产于湖北松滋湖南湘乡世地层中的中华金金龙化石首次发现。

    The new species of Scleropages from the Early Eocene of Hunan and Hubei, China is the first complete fossil of the genus.

    youdao

  • 近日科学家成功拍摄到迄今世界第一个活腔视频。腔棘素有化石”之称。

    Scientists have captured the world's first images of a baby coelacanth recently - an extremely rare type of fish known as a 'living fossil'.

    youdao

  • 近日科学家成功拍摄到迄今世界第一个活腔视频。腔棘素有化石”之称。

    Scientists have captured the world's first images of a baby coelacanth recently - an extremely rare type of fish known as a 'living fossil'.

    youdao

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