| 单词 | placodermal |
| 释义 | > as lemmasplacodermal ΚΠ 1885 R. Etheridge Phillips's Man. Geol. (new ed.) II. i.6 Crossopterygian, Acanthodian, and Placodermal (Elasmobranch) forms were Carboniferous and Devonian. < as lemmas |
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