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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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