A seat mounting structure for at least one seat in a vehicle having a vehicle structure is provided. The seat mounting structure may have a seat rib cage configured as a universal solitary mounting bracket to which at least one seat can be affixed. The seat rib cage may have a plurality of rib cage elements connected with each other to form the seat rib cage. The seat rib cage may also have a plurality of seat mounting points for mounting the at least one seat to the seat rib cage. The seat rib cage may also have a plurality of vehicle structure mounting points for mounting the seat rib cage to the vehicle structure.