| 单词 | Ichthyosauria |
| 释义 | Ichthyosauria [´ik·thē·ǝ`sȯr·ē·ǝ] PALEONTOLOGY The only order of the reptilian subclass Ichthyopterygia, comprising the extinct predacious fish-lizards; all were adapted to a sea life in having tail flukes, paddles, and dorsal fins. |
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