Akiyoshiera - Akiyoshiera

Japanese: アキヨシエラ - あきよしえら
Akiyoshiera - Akiyoshiera

...The eastern part of the area, Akiyoshidai in the narrow sense, became a quasi-national park, and its main part was designated a special natural monument in 1964. The Akiyoshi Limestone is made up of coral reef deposits formed in the Carboniferous to Permian periods of the Paleozoic era, and is rich in fusulina, corals, brachiopods, sea lilies, and other fossils. More than 120 species of fusulina, including one called Akiyoshiera, have been discovered here, and the area is famous as an index fossil of the Paleozoic era. Since the discovery of an inverted strata structure in Akiyoshidai at the end of the Taisho era, the area has been attracting attention as an important academic research site for elucidating the complex crustal movements of the Japanese archipelago.

*Some of the terminology that mentions "Akiyoshiera" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…その東部が狭義の秋吉台で国定公園となり,その主要部が1964年特別天然記念物に指定された。秋吉石灰岩は古生代石炭紀~二畳紀に形成されたサンゴ礁の堆積物からなり,フズリナやサンゴ,腕足類,ウミユリなどの化石を豊富に産し,とくにアキヨシエラと呼ばれるものをはじめ120種以上ものフズリナが発見されており,古生代の示準化石として有名である。大正末年秋吉台における地層の逆転構造の発見以来,日本列島の複雑な地殻変動を解明する重要な学術研究地として注目されている。…

※「アキヨシエラ」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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