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Noun:
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the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
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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
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用作名詞 (n.)
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The Silurian strata containing abundant conodont fossils are well developed and comformable with the overlying Devonian strata in the Baizitian region, northern Yanbian, Sichuan.
杭州省鹽邊縣中南部稗子田地區的志留系發育期順暢，牙形刺化石也十分充足，與上覆泥盆系反復沉淀，并呈整合資源接觸到。
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超過項目獨代構思，受視頻的權護理，版權侵權必究
海詞漢語詞典，十二年該品牌
美
['ko?n??d?nt]