Fusulina

Japanese: フズリナ

Also known as fusulinae. A type of foraminifera in the order Fusulina that flourished from the Carboniferous to Permian periods. They are spindle-shaped, spherical, etc. in shape. They have a calcareous shell, and the largest ones can reach a major axis of 1 cm. Over 100 genera and approximately 5,000 species are known from tropical to subtropical marine deposits around the world. They are also found in large quantities in limestone in Japan, and the Kuma River basin in Kyushu and Akiyoshi-dai in Yamaguchi Prefecture are famous production areas.
→ Related topic Foraminifera

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

紡錘虫とも。石炭紀〜ペルム紀に栄えたフズリナ目の有孔虫。形は紡錘形，球形など。石灰質の殻をもち，大きいものでは長径1cmにもなる。世界各地の熱帯〜亜熱帯の海成層から100属以上，約5000種が知られる。日本でも石灰岩に多く含まれ，九州の球磨(くま)川流域や山口県の秋吉台などは有名な産地。
→関連項目有孔虫

出典　株式会社平凡社百科事典マイペディアについて　情報

<<: Henri Pousseur

>>: Fuzûlî (English spelling)