820 INDEX GENERUM MAMMALIUM. 
Name, authority, and date. Type or included species, and localities. 
t Olygodon AMEGHINO, 1883......... Olygodon pseudolestoides, Parana, Argentina. 
Oligotherium AMEGHINO, 1884....... Oligotherium sp., Argentina. 
TOracanthus AMEGHINO, 1885 ....... Oracanthus burmeisteri, Villa de Lujan, Argen- 
tina. (See Neoracanthus and Ocnobates. ) 
t Orycterotherium HARLAN, 1841..... Orycterotherium missouriense, Benton County, 
Missouri. 
Paramylodon Brown, 1903 ......... Paramylodon nebrascensis, Hay Spring, Nebraska. 
+ Platygnathus KRóvER, 1841........ Platygnathus sp., Rio La Plata, Uruguay (oppo- 
site Buenos Aires). 
Platyodon(‘ ReEtNHARDT’ )GERV.,1876 Lapsus for Platygnathus Kroyer, 1841. 
t Platyodon AMEGHINO, 1881 ........ Platyodon annaratonei, Argentina. (See Diodo- 
mus. ) 
TPlatyonyzsddUNDALSA0ESES re Platyonyx cuvierti, P. owenii, P. brogniartii, P. 
bucklandii, P. blainvillii, P. minutus, Bone 
caves, Brazil. (See Catonyx.) 
Pliogamphiodon AMEGHINO, 1884.... Lestodon blainvillei, Province of Buenos Aires, 
Argentina. 
Promegatherium AMEGHINO, 1883 ... Promegatherium smaltatus, Paraná, Argentina. 
Promylodon AMEGHINO, 1883 ....... Mylodon (?) paranense, Paraná, Argentina. 
Pseudolestodon GERY A18 & AMEGHINO, Lestodon myloides, Argentina? 
1880. 
Quatriodon AMEGHINO, 1881........ Quatriodon bonaeriensis, Villa de Lujan, Argen- 
tina. 
Rabdiodon AMEGHINO, 1882......... tabdiodon oliveri, Rio Lujan, Argentina. 
Ranculcus AMEGHINO, 1891 ......... Ranculeus scalabrinianus, Paraná, Argentina. 
Scelidodon AMEGHINO, 1881......... Scelidodon copei, Buenos Aires, Argentina. 
Scelidotherium OwEN, 1840.......... Scelidotherium leptocephalum, Punta Alta, Pata- 
gonia. 
Sphenotherus AMEGHINO, 1891....... Sphenotherus | zavaletianus, "Tucuman or Cata- 
marca, Argentina. 
T Stenodon AMEGHINO, 1885 ......... Stenodon modicus, Paraná, Argentina. (See 
Stenodontherium. ) 
Stenodontherium AMEGHINO, 1889.... New name for Stenodon Ameghino, 1885. 
Strabosodon AMEGHINO, 1891........ Strabosodon acuticavus, S. obtusicavus, Paraná, 
Argentina. 
T Tetrodon AMEGHINO, 1882 ......... New name for the ‘hybrid’ Quatriodon Ame- 
ghino, 1881. 
Valoipes|GER VAIS e873) SS sa ae ee Valgipes deformis, Bone caves, Brazil. 
Zamicrus AMEGHINO, 1889 .......... Zamicrus admirabilis, Rio Santa Cruz, Patagonia. 
MYLODONTIDZE. (See MEGATHERIIDZE). 
MYRMECOPHAGIDZE. 
FAMILIES AND SUBFAMILIES. 
Cyclothurinae GILL, 1872. Tamanduina Gray, 1873. 
Myrmecophagina GRAv, 1825. 
Myrmecophagide BoNAPARTE, 1838. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Cyclopes GRAY; 482109. e eee Myrmecophaga didactyla, Guiana 
Cyclothurus (‘Gray’) Lesson, 1842.. Myrmecophaga didactyla, Guiana. (See Cy- 
clopes. ) 
Didactyles F. Cuvier, 1829_....._..- Species with 2 digits on forefeet. (See Cyclopes.) 
T Dionyx I. Grorrroy, 1835......... Myrmecophaga didactyla, Guiana. (See Cyclopes. ) 
