In other species: dog , ass (donkey) , horse , llama , white-tailed deer , giraffe , taurine cattle , sheep , alpaca

Categories: Skeleton phene (incl. short stature & teeth) , Craniofacial phene

Mendelian trait/disorder: unknown

Disease-related: yes

Cross-species summary: Congenital abnormal shortness of the mandible (lower jaw), resulting in protrusion of the maxilla (upper jaw).