Family Truncatellinidae Steenberg, 1925
Genus Columella Westerlund, 1878
- Columella Westerlund 1878 (1876–1878): 193; type species by subsequent designation (Westerlund 1887 [1884–1890]): Pupa inornata Clessin, 1873 (= Pupa edentula Draparnaud, 1805).
Etymology. Latin: columna, “a pillar” + the diminutive suffix –ella; thus, a small pillar. Feminine.