944 INDEX GENERUM MAMMALIUM. 
Name, authority, and date. Type or included species, and localities. 
Tetracaulodon GODMAN, 1830........ Tetracaulodon mastodontoideum, Newburg, N. Y. 
Tetralophodon FALCONER, 1857 ...... Mastodon longirostris, Eppelsheim, Germany; 
M. arvernensis, France; M. andiwm, South 
America; M. sivalensis, Siwalik Hills, India; 
M. perimensis, Perim Island, India; M. latidens, 
Ava, India. 
“Trilophodon F^rcoxER & CavrLEv, Mastodon angustidens, France; M. ohioticus, North 
1846." « America; M. humboldtii, South America; M. ta- 
ES piroides, France; M. borsoni, Piedmont, Italy, 
M. pandionis, India; M. pyrenaicus, France. 
Zygolophodon V ACEK, 1877. ......... Mastodon borsoni, Asti, Italy; M. turicensis, 
southern Russia; M. tapiroides, M. pyrenaicus, 
France. 
INCERTZ SEDIS. 
Arsinoitherium BEADNELL, 1902 ..... Arsinoitherium zitteli, Fayum, Egypt. 
TOXODONTIA. ^ 
NESODONTIDZE. 
(Including Atryptherid:e and Protoxodontide. ) 
FAMILIES AND SUBFAMILIES. 
Atryptheride AMEGHINO, 1889. Protoxodontide AMEGHINO, 1889. 
Nesodontide Murray, 1866. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Acrotherium AMEGHINO, 1887 ....... Acrotherium rusticum, southern Patagonia. 
Adelphotherium AMEGHINO, 1887 ..... Adelphotherium ligatum, southern Patagonia. 
Adinotherium AMEGHINO, 1887...... Adinotherium magister, A. splendidum, A. proxi- 
mum, A. ferum, A. nitidum, 8S. Patagonia. 
_Atryptherium AMEGHINO, 1887 ...... Atryptherium bifurcatum, southern Patagonia. 
Gronotherium AMEGHINO, 1887...... Gronotherium decrepitum, southern Patagonia. 
Nesodon OwEN, 1847 .......... eamm Nesodon imbricatus, Patagonia. 
Nesodonopsis Rorn, 1898 ........--- Nesodonopsis burckhardti, N. deformis, Stenotepha- 
nos speciosus, Rio Collon Curd, Patagonia. 
Nesotherium Mrrcerat, 1891........ Nesotherium carinatum, N. studeri, N. elegans, N. 
rufum, Toxodon patagonensis, Rio Santa Cruz, 
Patagonia, Nesotherium turgidum, N. rutilum, 
N. argentinum, N. nehringi, N. burmeisteri, 
Monte Leon, Patagonia. 
Phobereotherium AMEGHINO, 1887.... Phobereotherium sylvaticum, southern Patagonia. 
Proadinotherium AMEGHINO, 1895... Proadinotherium leptognathum, Patagonia. 
Pronesodon AMEGHINO, 1895 ........ Pronesodon cristatus, P. robustus, Patagonia. 
Protoxodon AMEGHINO, 1887 ........ Toxodon patagonensis, Rio Santa Cruz, Pata- 
gonia. 
Rhadinotherium AwEGHINO, 1887.... Rhadinotherium limitatum, southern Patagonia. 
Scopotherium AMEGHINO, 1887....... Scopotherium cyclops, southern Patagonia. 
Senodon AMEGHINO, 1895........... Senodon platyarthrus, Patagonia. 
Xotoprodon AMEGHINO, 1891........ Xotoprodon solidus, southern Patagonia. 

«The species are those included by Falconer in 1857. 
^ OwEN, Journ. Proc. Linn. Soc. London, Zool., II, pp. 26, 37, 1858. 
