CGAL::Spherical_kernel_3<Kernel,AlgebraicKernelForSpheres>
CGAL::Exact_spherical_kernel_3
CGAL::Circular_arc_3<SphericalKernel>
CGAL::Circular_arc_point_3<SphericalKernel>
CGAL::Line_arc_3<SphericalKernel>