Boson fermion dynamical SU(3) symmetry for asymmetric deformation in odd mass nuclei

We show that the SU(3) limit of the U(16) model used to describe asymmetric shape deformation in even-even nuclei may be simply extended to odd-mass nuclei. The extension results in decoupling parameters with opposite signs in opposite-parity bands. We discuss the model in connection with the spectrum of ${}_{}{}^{255}{}_{}{}^{}\mathrm{Ra}$.