!024 MAMÍFEROS FÓSILES ARGENTINOS 
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Rabdiodon Oliveri. 732. 
Ragatherium, 966. 
Raía Agassizi, 22. 
Reithrodon, 51, 110, 119, 947, 950, 953, 957, 976, 980. 
Reithrodon cuniculoides, 111, 955. 
Reithrodon cliincliilloides, 111, 955. 
Reithrodon fossilis, 61, 66, 111. 
Reithrodon typicus, 57, 110, 111, 938, 942, 955, 982. 
Reithrodon typicus fossilis, 111, 951. 
Reptilia,896. 
Rhabdogale, 977. 
Rhadinotherium, 364, 372, 440, 461, 462, 464, 928, 960. 
Rhadinotherium limitatum, 360, 461, 925. 
Rhamphostoma neogaea, 22. 
Rhea americana, 50. 
Rhinoceridm, 492, 499, 525, 551, 939, 949, 894. 
Rhinoceros, 500, 527, 528, 529, 960, 970, 974, 979. 
Rhinolopliidce, 895. 
Rhinolophus, 981. 
Rhinopoma carolinensis, 351. 
Rhipidomys, 121. 
Rhipidomys rnastacalis, 121, 983. 
Rhizocupressinoxylon, 22. 
Rhizomys, 976. 
Rhytinidae, 894. 
Ribodon, 22, 48, 493, 495-499, 932. 
Ribodon limbatus, 493, 930. 
Rodentia, 106, 894, 896, 898, 923, 929, 934, 935, 938, 951, 955, 968, 
971, 976, 980. 
Ruminantia, 572, 578, 896, 898, 910, 952, 956, 961, 962, 966-968, 
970, 975,980. 
Rutitherium, 970. 
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Sanitherium, 976. 
Sarcobora, 105, 276, 348, 353, 893, 896, 891, 924, 930, 934, 938, 
952, 955. 
Sarcolemur, 960. 
Sarcothraustes, 964. 
Saurocetes, 353. 
Saurocetes argentinus, 353. 
Scalabrinitherium, 14, 48, 372, 374, 524, 525, 531, 533-538, 541, 
543, 544, 546, 548-550, 932, 966. 
Scalabrinitherium Bravardi, 524, 530, 538, 542, 513, 550, 930. 
Scalabrinitherium Rothii, 524, 542, 543, 516, 920, 930. 
Scalaria rugulosa, 23. 
Scalops, 976, 981. 
Scapteromys, 129. 
Scapteromys anoblepas, 983. 
Scapteromys fronto, 121, 983. 
Scapteromys labiosus, 121, 983. 
Scapteromys principalis, 121, 983. 
Scelidodon, 706, 719, 724-726, 729, 731, 735-737, 739-741, 945, 
948, 919, 973, 978. 
Scelidodon Gapellini, 726, 727, 729, 730, 731, 941, 945, 989. 
Scelidodon Copei,725, 730, 731, 941, 945, 987. 
Scelidodon patrius, 724, 726, 728, 729, 730, 731. 
Scelidodon tarijensis, 727-731, 940, 945, 987. 
Scelidotheridae, 665, 705, 719, 732, 757, 758, 895, 921, 931, 933, 
935, 937, 940, 949, 951. 
Scelidotherium, 2, 26, 34, 47, 64, 66, 68, 69, 71, 72, 80, 663, 674, 
681, 690, 691, 698,699, 703-709,715, 719-721, 724-726, 728-736, 
737, 739-741, 755, 900, 932, 935, 948, 949, 950, 968, 978. 
Scelidotherium ankylosopum, 734, 737. 
Scelidotherium australe 726. 
Scelidotherium bellulum, 724, 931. 
Scelidotherium Bravardi, 722-724, 940, 945, 987. 
Scelidotherium Bucklaudi, 987, 
Scelidotherium Capellini, 29, 30, 32, 48, 69, 725, 729, 730. 
Scelidotherium chiliense, 723, 731. 
Scelidotherium elegans, 724. 
Scelidotherium Floweri, 724, 740, 745. 
Scelidotherium leptocephalum, 66, 71, 72, 187, 659, 721, 723, 725- 
727, 729, 732, 940, 945. 
Scelidotherium magnum, 725, 728, 729. 
Scelidotherium minutum, 987. 
Scelidotherium Owenii, 987. 
Scelidotherium patrium, 26, 75, 726. 
Scelidotherium Pozzi, 724. 
Scelidotherium tarijense, 725, 728, 729. 
Sciamys, 19, 125, 126, 130, 139, 262, 927, 962. 
Sciamys principalis, 127, 924. 
Sciamys varians, 127, 924. 
Sciuravus, 962. 
Sciuridae, 894, 955. 
Sciurodon, 967. 
Sciuroides, 967, 971. 
Sciuromorpha, 107, 109. 
Sciuromys, 967. 
Sciurus, 967, 971, 976, 979, 980. 
Sciurus aestuans, 109, 955, 983. 
Sciurus tricolor, 109. 
Scleromys, 132, 138, 152, 153, 927, 962. 
Scleromys angustus, 138, 924. 
Scopotherium, 374, 482, 483, 485, 928, 960. 
Scopotherium cyclops, 360, 483, 925. 
Scotaeops, 658, 928, 964. 
Scotaeops simplex, 658, 925. 
Scolaeumys, 168, 188, 211, 212, 927, 963. 
Scotaeumys imminutus, 187, 924. 
Schismotherium 683, 685, 928, 964. 
Schismotherium fractum, 686, 926. 
Schistomys, 212, 216, 317, 260, 927, 963. 
Schistomys erro, 216, 261, 924. 
Schistopleurum, 761-767. 
Schistopleurum asperum, 766, 784. 
Schistopleurum elongatum, 766, 786. 
Schistopleurum euphractum, 765,781. 
Schistopleurum gemmatum, 761. 
Schistopleurum laeve, 787. 
Schistopleurum tuberculatum, 761, 762, 833. 
Schistopleurum typus, 761-764, 766, 767, 784, 785 
Schizodon, 154, 161, 162, 165, 166, 167, 957. 
Schizodon fuscus, 166, 955. 
Schizotherium, 968. 
Semnopithecidm, 893. 
Semnopithecus, 974, 979. 
Sphaer'ium convexum, 34. 
Spaherorays, 168, 169, 188, 211, 212, 262, 927, 962. 
Sphaeromys irruptus, 169, 924. 
Sphenodon minutas, 987. 
Sphiggomys, 168, 170, 211, 212, 927, 962. 
Sphiggomys zonatus, 170, 924. 
Sphiggurus spinosus, 130. 
Sphiggurus villosus, 130. 
Sphingurus, 125, 129, 130, 957. 
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