二に畳じょう紀き

noun

Permian period

Geological period name; used in academic and educational contexts. Cross-referenced with ペルム紀, which is the more common term.

See also: ペルム紀

• 二に畳じょう紀きは古こ生せい代だい最さい後ごの紀きである。

  The Permian period is the last period of the Paleozoic era.