ammonites

听听怎么读
英 ['æmənaɪts]
美 ['æmənaɪts]
是什么意思
  • 释义

    菊石类;

  • 英英释义

    ammonite

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

      同义词:ammonoid

    学习怎么用

    权威例句

    On New Ammonites from the English Chalk
    Cretaceous plesiosaurs ate ammonites
    Shell abnormalities in scaphitid ammonites
    Maastrichtian Ammonites from the Biscay Region (France, Spain)
    The role of ammonites in the Mesozoic marine food web revealed by jaw preservation.
    Evolutionary size increase and longevity in Jurassic bivalves and ammonites
    Alleged mosasaur bite marks on Late Cretaceous ammonites are limpet (patellogastropod) home scars
    Scaphitid Ammonites of the Upper Cretaceous (Maastrichtian) Fox Hills Formation in South Dakota and Wyoming. by Neil H. Landman; Ka...
    Combining ontogenetic and evolutionary scales of morphological disparity: a study of early Jurassic ammonites.
    High-resolution dynamics of Early Jurassic marine extinctions: the case of Pliensbachian–Toarcian ammonites (Cephalopoda)
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