Summary[
edit] Description: 日本語: アンモナイト類の
マリエラ（Mariella lewesiensis）の化石。
北海道むかわ町産出。
白亜紀後期。
国立科学博物館の展示。English: Fossil of
Mariella lewesiensis from
Mukawa, Hokkaido,
Japan.
Late Cretaceous. Exhibit in the
National Museum of Nature and Science,
Tokyo,
Japan. Date: 17 February 2013. Source: Own work. Author:
Momotarou2012. 国立科学博物館による解説
http://shinkan.kahaku.go.jp/kiosk/nihon_con/N3/KA2-3/japanese/TAB4/img/M02_13_con.png Explanation by the National Museum of Nature and Science
http://shinkan.kahaku.go.jp/kiosk/nihon_con/N3/KA2-3/english/TAB4/img/M02_13_con.png Licensing[
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