出典:Wiktionary
出典:『Wiktionary』 (2025/08/30 10:20 UTC 版)
Backformation of translingual Plesiosaurus, named by William Conybeare and Henry De la Beche in 1824 because plesiosaurs were more like a normal reptile than Ichthyosaurus, which had been found in the same rock strata a few years earlier. Surface derivation, plesio- + -saur.
plesiosaur (plural plesiosaurs)
名詞の変化形:
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