ÍNDICE DE LOS NOMBRES TÉCNICOS 
1025 
Spliingurus insidiosus, 130, 955, 983. 
Sphingurus magnus, 130, 983. 
Spliingurus prehensilis, 130, 955, 983. 
Sphodroroys, 168, 169, 211,212, 927,962. 
Sphodrorays scalaris, 170, 924. 
Sibbaldius antarcticus, 889, 
Sigmodon vulpinus, 117. 
Silurus Agassizii, 22. 
Simia, 94. 
Simicidea, 44, 100, 104, 105, 893, 896, 898, 954 959, 960, 968, 
969, 974,979. 
Simocyon, 977. 
Sinopa, 963. 
Sipalocyon, 285, 292, 927, 964. 
Sipalocyon gracilis, 292, 924. 
Sirenia, 652, 653, 894, 896, 898. 
Sivatherium, 976. 
Smilodon, 2, 72, 78, 80, 81, 123, 249; 295, 333-339, 342, 344, 948, 
950, 977, 979. 
Smilodon Blainvillei, 333, 336. 
Smilodon ensenadensis, 339. 
Smilodon necator, 336. 
Smilodon neogaeus, 336. 
Smilodon populator, 42,72, 333-336, 339, 340, 939, 944, 985. 
Sminthus, 981. 
Solecurtus platensis, 39. 
Sorex, 972, 977, 981. 
Soricictis, 972, 
Soricidas, 894. 
Spalacidas 894. 
Spalacospus, 166, 167. 
Spalacotheridm, 894. 
Spaniomys, 19, 132, 141, 152, 153, 927, 962. 
Spaniomys modestus, 141, 924. 
Spaniomys riparius, 141, 924. 
Spanitherium, 966. 
Speothos pacivorus, 310, 985. 
Spermophilus 980. 
Spondilocoelia, 890-892, 895, 896, 898. 
Squalodon, 576. 
Squalodon protervus, 576. 
Squalodonta, 895, 896, 898. 
Squalodontidae, 895. 
Steiromys, 19, 125, 128, 130, 262, 927, 962. 
Steiromys detentus, 129, 924. 
Steiromys duplicatus, 129, 924. 
Stegotheridae, 878, 895, 926. 
Stegotherium, 19, 878, 880, 882, 928, 965. 
Stegotherium tessellatum, 878, 879, 926. 
Stenacodon, 963. 
Steneofiber, 971. 
Stenodelphis Blainvillei, 884. 
Stenoderma chilensis, 349. 
Stenodon, 731. 
Stenodon modicus, 731. 
Stenodontherium; 719, 731, 739, 740, 932, 968. 
Stenodontherium modicum, 731, 931. 
Stenogale, 968, 972. 
Stenoplesictis, 968. 
Stenothephanos, 359, 402, 409, 410, 411,414, 927, 932, 960, 966. 
Stenotephanos plicidens, 409-411, 414, 917, 930. 
Stenotephanos speciosu, 359, 409, 411, 924. 
Stereoarthra, 572, 894, 896, 898. 
Stereopterna, 492, 523, 573, 894, 896, 898, 930, 935, 939, 952, 956, 
961, 966, 968, 969, 974, 979. 
Sthrutiolariaornata, 23. 
Stibarus, 960. 
Stichomys, 132, 140, 141, 151, 152, 153, 927, 962. 
Stichomys constans, 140. 
Stichomys regularis, 140, 924. 
Stilauchenia, 580, 591, 595, 597, 598, 939, 950, 975, 979. 
Stilauchenia Owenii, 592, 940,944, 986. 
Stilodon, 348, 893. 
Stilodontheria, 347, 893, 895, 896, 898. 
Stilodontidae, 895. 
Stilotherium, 265; 927,963. 
Stilodontherium dissimile, 265, 924. 
Stipolophus,911, 964. 
Strata, 213, 289, 932, 967. 
Strata elevata, |259, 921. 
Strepsiceros, 975. 
Strongyloceros, 975, 980. 
Sturnira spectrum, 349. 
Stylinodon, 962. 
Sub-ursidm, 312, 346, 930, 933, 956, 958. 
Sub-ursus, 306, 309. 
Succineameridionalis, 40. 
Succinea rosarinensis, 33. 
Suidae, 573, 894, 939, 952, 956, 954, 958. 
Suina, 572, 573, 894, 896, 898, 939, 952, 956, 961, 967, 970,976,980. 
Sus, 485, 564, 971, 976, 979, 980. 
Sus aibirostris, 575. 
Sus bydrochorus, 254. 
Sus tajacu. 574. 
Synetheres prehensilis, 130. 
Synoplotherium, 358. 
Synoplotherium lanium, 358. 
Systemodon, 961. 
T 
Taeniodonta, 106, 894, 896, 898, 900, 962, 
Taphozus, 981. 
Talpa, 972, 977, 981. 
Talpa europaea, 373. 
Talpavus, 963. 
Talpidee, 894. 
Taligrada, 617, 621, 894, 896, 898, 925, 965, 
Tamias, 980. 
Tapiravus, 970. 
Tapirid®, 492, 499, 525, 617, 894, 930, 939, 949, 956, 958. 
Tapirulus, 966. 
Tapires, 58, 493, 495, 496, 499, 957, 970, 974, 979. 
Tapires alticeps, 493. 
Tapirus altifrons, 493. 
Tapires americanus, 493, 956, 986, 
Tapires suillus, 493. 
Tapirus suinus, 493, 986. 
Tarandus, 975, 980. 
Tardigrada, 657, 660, 663, 698, 757, 758, 895, 896, 898, 964, 968. 
Tarsid®, 893. 
Tarsipes, 896, 898. 
Tatusia, 803, 861, 862, 863, 871, 882, 948, 950, 953, 957, 978, 982. 
Tatusia hybrida, 861, 941, 946, 953, 957, 989. 
Tatusia hybrida fossilis, 861. 
Tatusia minuta, 867. 
Tatusia novemcineta, 861, 941, 946, 957, 989. 
Tatusia novemcineta fossilis, 861. 
Tatusia punctata, 989. 
Taxidea, 977. 
