conodont

conodont读音音标

英 [\'kəʊnədɒnt]

美 [\'koʊnəˌdɒnt]

conodont意思解释

n.

牙形刺，牙形石；

英英释义

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

双语例句

用作名词(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。