widespread column; Pupilla muscorum
A species of land snail. The name is a biological term; in everyday contexts, it is rarely encountered.
The widespread column is a land snail native to Europe.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling is rare and mainly found in older or specialized literature; the katakana form is preferred.
The name is composed of 茶色 (brown), 蛹 (pupa), and 貝 (shellfish), likely referring to the shell's color and shape. The exact derivation is uncertain.