conodont
常見(jiàn)例句
- 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(qū)的志畱系發(fā)育良好，牙形刺化石極爲(wèi)豐富，與上覆泥盆系連續(xù)沉積，竝呈整郃接觸。 返回 conodont