conodont

听听怎么读
英 ['kəʊnədɒnt]
美 ['koʊnəˌdɒnt]
是什么意思
  • n.

    牙形刺,牙形石;

  • 英英释义

    conodont[ 'kəunə,dɔnt ]

    • n.
      • the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
      • small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes
    学习怎么用

    双语例句

    用作名词(n.)
    1. The Silurian strata containing abundant conodont fossils are well developed and comformable with the overlying Devonian strata in the Baizitian region, northern Yanbian, Sichuan.
      四川省盐边县北部稗子田地区的志留系发育良好,牙形刺化石极为丰富,与上覆泥盆系连续沉积,并呈整合接触。

    权威例句

    The conodont animal
    Conodont affinity and chordate phylogeny
    Conodont color alteration-an index to organic metamorphism
    The Late Devonian Standard Conodont Zonation
    Conodont diversity and evolution through the latest Permian and Early Triassic upheavals
    Restudy of conodont zonation and evolution across the P/T boundary at Meishan section, Changxing, Zhejiang, China
    Conodont color and textural alteration: An index to regional metamorphism, contact metamorphism, and hydrothermal alteration
    New species of the conodont Genus Hindeodus and the conodont biostratigraphy of the Permian–Triassic boundary interval
    The structure of some Middle Cambrian conodonts, and the early evolution of conodont structure and function
    Did cooling oceans trigger Ordovician biodiversification? Evidence from conodont thermometry.