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单词 ammonoid
释义

ammonoid

听听怎么读
英 [?'m?n??d]
美 [?'m?n??d]
是什么意思
  • n.

    菊石(已灭绝的头足动物);

  • 英英释义

    ammonoid

    • n.one of the coiled chambered fossil shells of extinct mollusks

      同义词:ammonite

    学习怎么用

    权威例句

    Ammonoid Life and Habitat
    Ammonoid Life and Habitat
    Ammonoid Life and Habitat. In: Ammonoid Paleobiology
    Evolution of Complexity in Paleozoic Ammonoid Sutures.
    Good Genes and Good Luck: Ammonoid Diversity and the End-Permian Mass Extinction
    The Early Triassic ammonoid recovery: Paleoclimatic significance of diversity gradients
    Correlation of mid-Palaeozoic ammonoid evolutionary events with global sedimentary perturbations
    ONTOGENY AND HETEROCHRONY IN THE MIDDLE CARBONIFEROUS AMMONOID ARKANITES RELICTUS (QUINN, McCALEB, AND WEBB) FROM NORTHERN ARKANSAS
    Timing of the Early Triassic carbon cycle perturbations inferred from new U–Pb ages and ammonoid biochronozones
    New Early to Middle Triassic U–Pb ages from South China: Calibration with ammonoid biochronozones and implications for the timing o...
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