(a) n. any of various extinct holostean fishes of the family Pycnodontidae or order Pycnodontiformes, which are usually deep-bodied and characterized…
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| 单词 | θ36826 |
| 释义 | the world > animals > fish > class Osteichthyes or Teleostomi > subclass Actinopterygii > [adjective] > ganoid > of fossil or extinct types of (5) pycnodont1836 (a) n. any of various extinct holostean fishes of the family Pycnodontidae or order Pycnodontiformes, which are usually deep-bodied and characterized… cephalaspean1854 cephalaspidean1872 pteraspidian1872 = pteraspid, adj. platysomid1878 Of, belonging to, or characteristic of the extinct family Platysomidae of palaeoniscoid fishes, known from fossil remains of the Carboniferous… |
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