1018 
MAMÍFEROS FÓSILES ARGENTINOS 
Mephitis primaeva, 322, 325, 939, 944, 985. 
Mephitis suffocans, 322, 325, 944, 952, 956, 985. 
Megacerops, 970. 
Megalochnus, 661, 663, 673, 704-706, 717. 
Megalochnus rodens, 718. 
Megalonycid®, 665, 690, 756-758, 895, 921, 926, 928, 931, 933, 937, 
940, 949, 951. 
Mcgalonyx, 734, 683, 690-692, 696, 699, 700-709, 718, 720, 721, 
741, 977, 979. 
Megnlonyx maquinensis, 699, 
Megalonyx meridionalis, 691. 
Megalonyx Jeffersoni, 691, 699, 700. 
Megamys, 1, 5, 14, 22, 26, 48, 140, 148, 149, 151, 168, 185, 189- 
195, 198, 200, 201, 203, 204, 206-212, 237, 903, 904, 906, 931, 
932, 936, 967, 971. 
Megamys Burmeisteri, 192, 206, 207, 929. 
Megamys depressidens, 191, 199, 203, 929. 
Megamys formosus, 26, 75, 192, 906, 934. 
Megamys Holmbergi, 191, 192, 200-203, 905, 929. 
Megamys laevigatus, 191, 209. 
Megamys Laurillardj, 191, 198-201, 202, 207, 905, 906, 929. 
Megamys patagoniensis, 190-192, 194, 195, 197-199, 202-205, 905, 
929. 
Megamys praspendens, 192, 205, 905, 929. 
Megamys Racedi, 191, 192, 199, 202, 203, 205-207, 905, 929. 
Meganthereon negaeus, 336. 
Megaptera, 890. 
Megaptera Burmeistei, 890. 
Megateridee, 665, 680, 582, 683, 700, 756-758, 895, 926, 928, 930, 
933, 935, 637, 940, 949, 951, 952. 
Megatherium, 1, 34, 40, 48, 49, 56, 57, 71, 74,78, 80, 501, 661-661, 
666, 668-675, 677, 678, 680-683, 690-692, 697-699, 703, 704, 706, 
707, 709,711, 718, “720-722, 736, 737, 741, 746, 747,759, 921, 922, 
932, 937, 948-950, 953, 968, 973, 977, 979, 981, 990. 
Megatherium americanum, 662, 668-673, 677, 679, 680, 940, 945, 
952, 987. 
Megatherium antiquum, 671, 930, 935, 
Megatherium australe, 668. 
Megatherium Cuvieri, 668. 
Megatherium Filholi, 670. 
Megatherium Gaudryi, 671, 672. 
Megatherium Gervaisi, 672, 987. 
Megatherium Leidyi, 672. 
Megatherium Lundi, 671, 940, 945, 987. 
Megatherium Medinas, 671. 
Megatherium tarijense, 670, 671, 940, 945, 987. 
Meles, 981. 
Mellivora, 977. 
Mellivorodon, 977. 
Meniscoessus, 963. 
Meniscomys,971. 
Meniscotheridee, 893. 
Meniscotherium, 961. 
Menodontid®, 894. 
Menodus, 970. 
Menotherium, 962. 
Menotherium lemurinum, 100. 
Merichypus, 974. 
Merycochmrus, 970, 975. 
Merycopotamid®, 576, 894, 
Merycopotamus, 976. 
Mesacodon, 960. 
Mesembriotlierium, 622. 
Mesembriotherium Brocee, 622. 
Mesodectes, 971. 
Mesodon Zebailosi, ,738. 
Mesolama, 580, 588, 589, 593, 595, 597, 598, 948, 949, 975, 979. 
Mesolama angustimaxila, 589, 940, 945, 986. 
Mesomys, 152, 153, 166. 
Mesomys rnordax, 152, 983. 
Mesomys spinosus, 152, 983. 
Mesonychid®, 894. 
Mesonyx,289, 363, 373, 964. 
Mesopithecus, 974. 
Mesorhinus, 525, 547, 548 , 550 , 932, 966. 
Mesorhinus pyramidatus, 521, 547, 930 
Mesotherium, 5,267, 358. 
Mesotlierium cristatum, 418. 
Mesotherium Marshi, 267. 
Metachirus, 279. 
Metalophodon, 962. 
Metasimia, 94,95, 99. 
Methylobates, 90-93, 95, 97. 
Metriotherium, 961. 
Miacid®, 894. 
Miacis, 964, 967. 
MicJoenus, 963. 
Microbiotheria, 263, 346, 294, 896, 898, 924, 963, 
Microbiotherid®, 264, 894, 896, 898, 924, 928. 
Microbiotherium, 264 , 927 , 963. 
Microbiotherium tehuelchum, 264, 265. 
Microbiotherium patagonicum, 269, 924. 
Mierocavia, 213, 227, 233, 234, 257, 260, 261, 936, 947, 948, 950, 
971, 976. 
Mierocavia, dubia, 230, 938, 943, 984. 
Mierocavia intermedia, 229, 230, 938, 943, 984. 
Mierocavia prona, 230, 943. 
Mierocavia robusta, 62, 66, 228-231, 938,943, 984. 
Mierocavia typica, 228-230, 938, 943, 984. 
Mierocavia uncinata, 230, 938, 943, 984. 
Microchmrid®, 893. 
Microchaeius, 966. 
Microlestes, 270. 
Micromeryx, 970. 
Microsyops, 959. 
Miolophus, 964. 
Mirmecobia-, 347, 348, 895, 896, 798. 
Mirmecobidae, 895. 
Mixodectes, 959. 
Mixodectid®, 893. 
Mixochoerus, 866. 
Molossus cynocephalus, 351. 
Molossus nasutus, 351. 
Molossus rugosus, 351. 
Monodon, 887. 
Monodontid®, 883, 887, 895. 
Monotremata, 43, 890, 892,895, 896. 
Morenia, 132, 146,-148, 151-153, 932, 967. 
Morenia complácita, 148, 929. 
Morenia elephantina, 146, 147, 929. 
Moropus, 973, 977. 
Morotherium, 977. 
Moschus, 970, 975. 
Mouillacitherium, 967. 
Muletia septemcincta, 861. 
Multidigitata, 357, 358, 374, 375. 
Muñifelis bonaériensis, 333, 336. 
Murid®, 894. 
Mus, 981. 
Mus braziliensis, 117. 
Mus callosus, 116. 
Mus casteroides, 132. 
