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Definisi 'placodermi'
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English to English noun
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extinct group of bony-plated fishes with primitive jaws |  | source: wordnet30
| 2 |
An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. See Illust. under Pterichthys, and Coccosteus. | | source: webster1913
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