单词 | Leptolepiformes |
释义 | Leptolepiformes [´lep·tǝ´lep·ǝ`fōr´mēz] PALEONTOLOGY An extinct order of small, ray-finned teleost fishes characterized by a relatively strong, ossified axial skeleton, thin cycloid scales, and a preopercle with an elongated dorsal portion. |
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