TY - JOUR AU - Thackeray, J. Francis PY - 2019/03/27 Y2 - 2024/03/29 TI - Alpha and sigma taxonomy of Lystrosaurus murrayi and L. declivis, Triassic dicynodonts (Therapsida) from the Karoo Basin, South Africa JF - South African Journal of Science JA - S. Afr. J. Sci. VL - 115 IS - 3/4 SE - Scientific Correspondence DO - 10.17159/sajs.2019/a0296 UR - https://sajs.co.za/article/view/6164 SP - AB - ER -