Stilauchenia: 48S, 402, 524, 527. 



Stilauchenia Oweni: 477, 484, 535. 



Stilotherium: 456. 5". 



Stilotherium dlssimile: 450. 



Stypolophus: 428, 512. 



Strata: 464, 515. 



Strata elévala: 460. 



Strepsiceros: 523. 



Strongyloceros: 523, 528. 



Stylinodon: 510. 



Stylodon: 396. 



Stylodontheria: 396, 398, 401, 405. 



Stylodontidae: 398. 



Snb-iirsidae: 461, 466, 501, 505. 



Suidae: 397. 477. 493. 495, 49», 502, 505. 



Suina: 397, 401, 405, 477» 495^ $02, 510, 515, 



5Í9, 524, 529. 

 Sus: 519, 524, 527. 529. 

 Systemodon : 509. 



Taeniodonta: 397, 401, 405, 40S, 510. 



Taphozus: 530. 



Taligrada: 397, 401, 405, 453, 513. 



Talpa: 520, 525. 529- 



Talpavus: 511. 



Talpidae: 398. 



Tamias: 539. 



Tapiravus: 518. 



Tapiridae: 397, 461, 466, 476, 490, 502, 505. 



Tapirulus: 515. 



Tapirus: 504, 518, 523. 527, 52S. 



Tapirus americanus: 502, 534, 



Tapirus suinus: 534. 



Tarandiis: 523, 528. 



Tardigrada: 11, 15, 19, 78, 175, 176, 399, 401, 



405, 512, 516. 

 Tarsidae: 396. 

 Tarsipes: 401, 405. 

 Tarsipidae: 398. 

 Tatusia: 251. 347, 349, 351, 352, 365, 382, 488, 



492, 498, 504. 526, 530. 

 Tatusia hybrida: 348, 481, 486, 496, 503, 537. 

 Vatusia hybrida fossiUs: 348. 

 Tatusia minuta: 358. 

 Tatusia novemcincta: 348, 349, 481, 486, 503, 



537- 

 Tatusia novemcincta fossilís: 349. 

 Tatusia punctata: 537. 



dea: 525. 

 Taximys: 510. 

 Telmatolestes : 50S. 

 Tehnatotherium : 509. 

 nocyon: 520. 

 aceros: 523, 528. 

 Tetraconodon: 524, 

 Tetracus: 520. 

 Tetraselenodon : 509. 

 Tetrastylus: 464, 515. 



ctrastylus diffissus: 420, 460. 

 rctrastylus laevigatus: 419. 460, 

 Tetrodon: 145, 

 Tetrodon bonariensis: 144. 



Tlialassictis: 521. 



Theosodon: 457, 509. 



Theosodon Lydekkeri: 452. 



Thereutherium: 516. 



Tlieridomyidae: 397. 



Theridomys: 5x5, 519. 



Thinohyus: 519, 524. 



Thinolestes: 50S. 



Thinotherium: 508, 519. 



Tlioatherium: 457, 509. 



Thoatherium minusculum: 452, 



Thomomys: 524. 



Thoracophorus: 183. 191. 230. 



Thoracophorus depressus: 191, 232. 



Thoracophorus elevatus: 231, 232. 



Thoracophorus minutus: 191, 23$. 



Thylacoleontidae: 39S. 



Thylacomorpluis: 516. 



Tillodonta: 397, 401, 405, 459. 5io. 516. 



Tillomys: 510. 



Tillotheridae: 397. 



Tillotherium : 510. 



Titanomys: 520. 



Tolypeutes: 370, 371. 37^, 3S0. 382, 48S, 4S9. 



492, 498, 504. 526, 530. 

 Tolypeutes conunis: 371, 481, 4S6, 496, 503, 



537. 

 Tolypeutes aff. conurus: 371. 

 Tolypeutes conurus fossilís: 371. 

 Tomarctus: 525. 

 Toniitherium: 50S. 

 Toxodon: 407, 434. 436, 437, 465, 472, 487. 



489, 491. 497, 514. 518, 523, 527, 528, 541, 

 543, 550. 



Toxodon antiquus: 550. 552. ^ 



Toxodon bilobidens: 476, 484. 



Toxodon líurmeisteri: 407, 476, 4S4, 534, 551. 



Toxodon Darwini: 476, 484. 534. 



Toxodon ensenadensis: 469, 476, 4S3. 534, 545. 



? Toxodon expansidens: 534. 



Toxodon gracilis: 476, 484, 534. 



Toxodon paradoxus: 476, 484, 534. 



Toxodon paranensis: 432, 461. 



Toxodon platensis: 476, 483, 495, 534. 



Toxodon proto-Burmeisteri: 461, 550. 551. 



Toxodon virgatus: 432, 461, 550. 



Toxodontherium: 433, 436, 437. 465. SM, 54', 



542, 543, 545, 546. 547. 

 Toxodontherium coinpressum: 433, 461, 546. 

 Toxodontherium reverendum: 434. 

 Toxodontia: 397, 401, 405, 408, 440, 451, 461, 



469, 476, 495, 508, 514, 517, 51S, 523, 52S. 

 Toxodontidae: 397, 461, 466, 469, 473, 47G, 



490, 493. 495. 498. 

 Trachytherus: 440, 508, 542. 

 Trachytherus Spegazzinianus: 440, 441, 449. 

 Tragelaphus: 528. 



Tragoceros: 523. 



Tragulidae: 397, 470, 473. 



Tragulohyus: 515. 



Tragulus: 523. 528. 



Trechomys: 515. 



Trematherimn: 63. 75. 82, 83, 457, 512. 



