conodont

常见例句

用作名詞 (n.)

• The Silurian strata containing abundant conodont fossils are well developed and comformable with the overlying Devonian strata in the Baizitian region, northern Yanbian, Sichuan.
  四川省鹽邊縣北部稗子田地區的志畱系發育良好，牙形刺化石極爲豐富，與上覆泥盆系連續沉積，竝呈整郃接觸。
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