Thaumastus taulisensis A. Zilch, 1953
Thaumastus taunaisii (A.E.J. Férussac, 1821)
Thaumastus taunayi (A.E.J. Férussac, 1821)
Thaumastus tetricus F. Haas, 1951
Kara thompsoni (L. Pfeiffer, 1845)
Thaumastus thompsonoides A. Oberwimmer, 1931
Thaumastus tiradentensis A. Peñas, A.C. dos Santos Coelho& A. Salgado, 1996
Thaumastus viriatus P.M.A. Morelet, 1863
Scholvienia weyrauchi H.A. Pilsbry, 1944
Thaumastus yanamensis P.M.A. Morelet, 1863