| 单词 | Holoptychiidae | 
| 释义 | Holoptychiidaeplural noun  Hol·op·ty·chi·idae   ˌhäləptəˈkīəˌdē, ˌhōl-   : a family of Devonian fishes (order Rhipidistia) having unossified vertebrae, teeth of complicated structure, and the body covered with imbricating cycloid enameled scales   | 
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