Mega-evolution (English spelling)

Japanese: mega-evolution(英語表記)megaevolution
Mega-evolution (English spelling)

…Even in the case of Archaeopteryx, a bird famous for being an intermediate bird, the differences in characteristics between reptiles and Archaeopteryx, and between Archaeopteryx and subsequent birds, are extremely large. GG Simpson writes that, given the scale of these differences in characteristics, if the emergence of differences between species is called macroevolution, then the emergence of families or larger taxa must be called 'mega-evolution' (1944). Many people, not only paleontologists but also taxonomists and ecologists, use the word macroevolution in contrast to 'giant evolution'. …

*Some of the terminology that mentions "mega-evolution" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…中間型として有名な始祖鳥の場合でも,爬虫類と始祖鳥の間,始祖鳥とその後の鳥類の間の形質の差はきわめて大きい。G.G.シンプソンは,この形質の差の規模からすれば,種間の差が生ずるのを大進化と呼ぶのだったら,科やそれ以上の分類群が生ずるのは〈巨大進化mega‐evolution〉とでも呼ばねばなるまいと記している(1944)。この〈巨大進化〉に対して大進化ということばを用いる人が,古生物学者のみならず,分類学者や生態学者には多い。…

※「mega-evolution」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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