List of Ctenomys skull specimens used in this study, with collection numbers. in An endemic new species of tuco-tuco, genus Ctenomys (Rodentia: Ctenomyidae), with a restricted geographic distribution in southern Brazil

List of Ctenomys skull specimens used in this study, with collection numbers. SpeciesVouchers aC. ibicuiensisTR 1065, 1066, 1067, 1068, 1070, 1072, 1073, 1074, 1505, 1506, 1507, 1508, 1509, 1510, 1513, 1517C. roigiMMP 2410, 2411, 2442, 3417, 3461; MVZ 179153, 179154C. perrensiMMP 2413, 2414, 2437, 2440, 2441, 2447, 3418; MVZ 179151, 179152C. pearsoniMACN 19763, 19843, 19844, 19851, 20211; MLP 30XI93-3, 30XI93-4; MNHN 1806, 1807, 1835, 1836, 1837, 1838, 1841, 2249, 2300, 2306, 2324, 2795, 2796, 4167, 4168, 4170, 4177, 4179, 4183, 4188, 4189, 4194, 4197C. torquatusTR 374, 900, 926, 927, 928, 929, 930, 933, 934, 935, 936, 939, 940, 941, 942, 944, 945, 946, 938, 949, 950, 951, 952, 954, 955, 956, 959, 960, 963, 964C. lamiTR 79, 86, 87, 89, 95, 97, 109, 110, 113, 114, 115, 136, 228, 340, 344, 503, 504, 507, 508, 511, 515, 517, 518, 520, 522, 524, 530, 540, 549, 621C. minutusTR 49, 123, 124, 126, 127, 128, 130, 229, 230, 231, 234, 281, 288, 289, 290, 291, 293, 294, 299, 300, 302, 304, 305, 307, 308, 309, 311, 554, 567, 632 a MACN = Museo Argentino de Ciencias Naturales ‘‘Bernardino Rivadavia,’’ Buenos Aires, Argentina; MLP = Museo de La Plata, La Plata, Argentina; MMP = Museo de Ciencias Naturales ‘‘Lorenzo Scaglia,’’ Mar del Plata, Argentina; MNHN = Museo Nacional de Historia Natural, Montevideo, Uruguay; MVZ = Museum of Vertebrate Zoology, University of California, Berkeley; TR = Departamento de Genética, Universidade Federal do Rio Grande do Sul, Brazil.