Auricula

Auricula can refer to:
 * In botany, the plant Primula auricula, a type of primrose
 * In anatomy, another name for the external portion of the ear, the pinna
 * In anatomy, a small conical pouch that projects from each atrium of the heart.
 * Right auricula
 * Left auricula
 * In palaeontology, a genus of extinct trilobite.