• Remysporites M.A. Butterworth & R.W. Williams, 1958 †
• Renisporites M.R. Winslow, 1959 † (uncertain)
• Reteporites J.V.F. Lamouroux, 1821 † (uncertain)
• Retidiporites C.P. Varma & M.S. Rawat, 1963 †
• Retinosporites R. Holden, 1915 † accepted as Pachypteris A.T. Brongniart, 1828 †
• Retusisporites P. Danzé-Corsin & J.P. Laveine, 1963 † (uncertain)
• Vetisporites J.E. Dempsey, 1967 † (uncertain)