…Also read as Ginkgoaites. The organ genus name given to fossils resembling modern ginkgo leaves, mainly found in Mesozoic strata. Recent research into their epidermal structure (some fossils have well-preserved cuticles covering the epidermis) has shown that they are essentially indistinguishable from the modern Ginkgo genus, and the term Ginkgo is now often used to refer to fossil ginkgo leaves as well. Fossils resembling modern ginkgo leaves have been known since the end of the Paleozoic era, but their heyday was during the Mesozoic era. … *Some of the terminology that mentions "Ginkgo" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ギンゴアイテスとも読む。おもに中生代の地層から産する現生のイチョウ葉に似た化石に与えられた器官属名。最近では,これらの表皮構造の研究(化石の中には,表皮をおおうクチクラがよく保存されているものがある)によって,本質的に現生のイチョウ属Ginkgoと区別できないことがわかり,化石イチョウ葉に対してもGinkgoを用いることが多くなった。現在のイチョウ葉に似た化石は,古生代末から知られているが,その最盛期は中生代である。… ※「Ginkgo」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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