Additionally , its warped humerus deltopectoral crest thickens proximally .
This medium - sized pterosaur also has autapomorphic small pneumatic foramen on ventral surface of humerus proximal end , and dorsal nutrient foramen positioned on midline of humerus shaft level with the middle of deltopectoral crest .
Its warped humerus deltopectoral crest thickens proximally .
This medium - sized pterosaur also has autapomorphic small pneumatic foramen on ventral surface of humerus proximal end , and dorsal nutrient foramen positioned on midline of humerus shaft level with the middle of deltopectoral crest .