Animal remains were also uncovered, including boar tusks, horses teeth and calf jawbones. Researchers have grown solid jawbones and tracheas from human stem cells towards this end. Mammal mandibles (jawbones) were remarkably common, numering 66. Some fish have permanently protruding upper jawbones called rostrums. It consists of two upper jawbones, left and right maxillae. During the examination, the jawbones of the male corpse were removed from the body. They differ from the Palaeognathae in features like the structure of their jawbones. The wearing of jawbones of deceased relatives has been reported. Scales and jawbones of actinopterygian have been uncovered. In addition, as circulation is intrinsically diminished in jawbones, antibiotics are frequently ineffective. The jawbones were removed for restoration in 2014 due to deterioration and lack of maintenance.