ÍNDICE DE LOS NOMBRES TÉCNICOS 
1021 
Pachynolophus, 966. 
Pachypus, 760. 
Pachyrucos, 18, 19, 26, 33, 166, 359, 369, 368-370, 371-371.396, 
414, 422 , 424,-427 , 435-439 , 468 , 470 , 475 , 476, 487 , 927, 930, 
932, 936, 948, 949, 960, 966, 969, 974, 993. 
Pachyrucos absis, 427, 429, 436, 925. 
Pachyrucos, bonaériensis, 29, 359, 427, 432, 435, 436, 930, 914, 
986. 
Pachyrucos diminutus, 360, 427, 434-436, 935. 
Pachyrucos eiongatus, 433, 434. 
Pachyrucos ictus, 427, 431, 432, 435, 436, 935. 
Pachyrucos irapressus, 75, 360, 427, 433-436. 
Pachyrucos Moyani, 359, 427, 430, 432, 433, 435, 924. 
Pachyrucos naevius, 427 430, 436, 925. 
Pachyrucos teres, 427, 429, 433, 436, 925. 
Pachyrucos trivius, 427, 429, 436, 925. 
Pachyrucos typicus, 14, 48, 359, 427-436, 918, 935. 
Pachytberia, 354, 631, 893, 894, 896, 935, 940, 952 
Pachytheriuru , 760. 
Palacobalaena, 888. 
Paiaeobalaena Bergii, 888. 
Palaehoplophorus, 767 , 793 , 800, 822, 839, 881. 882 , 932, 936 , 937, 
968, 973. 
Palaehoplophorus disjunctus, 802. 
Palaehoplophorus pressulus, 767, 801, 931. 
Palaehoplophorus Scalabrini, 800, 931. 
Palaeocavia, 26, 213, 218, 228, 229, 231, 257, 260, 261,936, 947, 948, 
950, 971, 976. 
Palaeocavia a vita, 232, 934. 
Palaeocavia impar, 231, 934. 
Palaeocavia minuta, 233, 938, 943, 984. 
Palaeocavia pampaéa, 233, 938, 913, 984. 
Palaeocodon, 963. 
Palaeocyon, 310, 312. 
Palaeocyon troglodites, 310, 985. 
Palaeocyon validus, 310, 985. 
Palaeochoeurus, 967, 971. 
Palaeoerinaceus, 971. 
Palaeogale, 972. 
Palaeolagus, 971. 
Palaeolama, 48, 54, 62, 66, 68, 71, 72, 580, 587-593, 595-598, 920, 
948, 950, 953, 975, 979, 980. 
Palaeolama equina, 48. 
Palaeolama leptognata, 588 , 590 , 591, 593, 596 , 940 , 944 , 986. 
Palaeolama major, 591, 940, 944, 986. 
Palaeolama mesolíthica, 14,40,48 , 50, 51, 57-59, 591, 920, 952 , 986. 
Palaeolama Oweni, 592. 
Palaeolama promesolithica, 920, 940. 
Palaeolama Weddelli, 62, 66. 587, 590, 591. 
Palaeomeryx, 970, 975. 
Palaeonicteris, 972. 
Palaeonictis, 964. 
Palaeoprionodon, 968 
Palaeoreas, 975. 
Palaeosyops, 961. 
Palaeothentes, 271. 
Palaeothentes Aratae, 271, 272. 
Palaeothentes intermedius, 274. 
Palaeothentes Lemoinei, 273. 
Palaeothentes minutus, 274. 
Palaeothentes pachygnatus, 273. 
Palaeothentes pressiforatus, 274. 
Palaeotheridae, 499, 524, 525, 534, 894. 
Palaeotherium, 3, 520, 524, 534, 541, 564, 966. 
Palaeotherium paranense, 533, 534. 
Palaesotragus, 975. 
Palauchenia, 592, 595, 975, 979, 
Palauchenia magna, 592, 596. 
Paloplotherium, 564. 
Paludestrina Ameghini, 5. 
Pampa therium, 854. 
Pampatherium typus, 854. 
Panochtus, 27, 34, 62, 71, 73, 759, 761-766, 768, 769, 775-778, 794, 
803,805, 824, 828, 829-832, 834, 837-843,845, 846, 849, 852, 858, 
881, 882, 937, 948-950, 973, 978. 
Panochtus Brocherii, 829. 
Panochtus bullifer, 27, 764, 83-837, 936. 
Panochtus clavicaudatus, 763, 764. 
Panochtus Frenzelianus, 835, 836, 944, 946, 988. 
Panochtus giganteus, 847. 
Panochtus Lundi, 764, 805. 
Panochtus Morenii, 767, 834-836, 941, 946, 988. 
Panochtus Nodotianus, 837. 
Panochtus Trouessarti, 824. 
Panochtus tuberculatus, 33, 62, 66, 68, 762,763, 768, 785, 829,833- 
837 , 842 , 847, 941, 946, 988. 
Panochtus Voghtii, 836, 837, 941, 946, 988. 
Panolax, 976. 
Pantodonta, 617, 894, 896, 898, 923, 925, 965. 
Pantolambda, 962, 
Pantolambdidae, 621, 894. 
Pantolestes, 961. 
Pantolestidae, 894. 
Paraceros, 599, 605, 607, 937, 948-950, 970, 975. 
Paraceros avius, 607, 935. 
Paraceros ensenadensis, 605, 606, 940, 945, 987 
Paraceros fragilis, 606, 940, 945, 987. 
Paraceros vulneratus, 606, 940, 945, 987. 
Paradoxomidae, 122, 262, 929, 933. 
Paradoxomys, 122, 128, 129, 262, 932, 967. 
Parndoxomys cancrivorus, 122-124, 929. 
Paradoxomys patagónicas, 124, 929. 
Paramys, 964. 
Paranomys typicus, 901. 
Parasorex, 972. 
Pardalina Warwikii, 327. 
Paridigitata. 374, 
Patriarchus, 465, 480, 482, 928, 960. 
Patriarchus palmidens, 481, 925. 
Patriofelis, 964. 
Pecten centralis, 23. 
Pecten Danvinianus, 23, 48. 
Pecten geminatus, 23. 
Pecten paranensis, 23, 48. 
Pecten patagonensis, 21, 23. 
Pedimana, 276, 277, 894, 896, 898, 934, 938, 955, 964, 968, 972, 
977, 981. 
Pedomys, 980. 
Pedotherium, 918. 
Pedotherium insigne, 918. 
Pelonax, sfid. 
Peltateloidea, 758, 878-880, 882, 895, 896, 898, 926. 
Peltephilus, 19, 859, 928, 965. 
Peltephilus pumilus, 860, 862. f 
Peltephilus strepens, 859, 926. 
Pelycodus,-960. 
Pelycosauria, 891, 892, 896, 898. 
Pellegrinia, 981. 
Pentadactyla, 374, 375, 
Perecerás, 970. 
Perameles, 266. 
Peramelia, 263, 266, 894, 896, 898. 
