• Rugasphaera Jiabo, 1978 †
• Rugasphaera Martin in Martin & Dean, 1988 † accepted as Corrugasphaera R.A. Fensome, G.L. Williams, M.S. Barss, J.M. Freeman & J.M. Hill, 1990 †
• Rugasphaera asperata S. Zhu, C. He & G. Jin in C. He et al., 1989 †
• Rugasphaera corrugis Jiabo, 1978 †
• Rugasphaera maxima Song et al., 1985 †
• Rugasphaera micirugis Jiabo, 1978 †
• Rugasphaera minor Jiabo, 1978 †