<unk>  refers to an ear that is larger than would be expected. The normal auricular axis length is among females and among males. The average width of an adult ear, specifically the distance between the helix root (inner front edge) and the posterior auricle (outer front edge), is between .
Macrotia
Macrodontia 
Amastia
Acrania
Microcoria
Spotted lunulae
Macrostomia
Microdontia