908 INDEX GENERUM MAMMALIUM. 
Name, authority, and date. Type or included species, and localities. 
Conacodon MATTHEW, 1897 ........- Haploconus entoconus (type), <Anisonchus co- 
phater, New Mexico. 
Hctoconus Cope 8840. ec Ectoconus ditrigonus, New Mexico. 
Haploconus Corr, 1882--.---..-...- Haploconus lineatus (type), Mioclenus angustus, 
New Mexico. 
Hemithizus Corr, 1882.-------..-...- Hemithlxus kowalevskianus, New Mexico. 
Peripiychus! CopEs WeSilia= seen er Periptychus carinidens, New Mexico. 
? Properiptychus AMEGHINO, 1897 ..... Properiptychus argentinus, Patagonia. 
Zetodon CoPr, U88dac. 5-255. se5ce~ Zetodon gracilis, New Mexico. 
TRIGONOSTYLOPIDZE. 
T'rigonostillopid:: AMEGHINO, 1901. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
2dvardocopeia AMEGHINO, 1901 ..... Edvardocopeia sinuosa, Patagonia. 
Pleurystylops AMEGHINO, 1901 ...... Pleurystylops glebosus, Patagonia. 
Pseudostylops AMEGHINO, 1901 ...... Pseudostylops subquadratus, Patagonia. 
Trigonostylops AMEGHINO, 1897... --- Trigonostylops wortmani, Patagonia. 
Tychostylops AMEGHINO, 1901 ....... Tychostylops marculus, Patagonia. 
UINTATHERIIDZE. 
(Including Bathyopsidze. ) 
FAMILIES AND SUBFAMILIES. 
Bathyopsidx OsBorn, 1898. Tinoceridze MAnsH, 1872. 
Dinoceratidz ZrrrgL, 1893. Uintatheritide FLowER, 1876. 
, , 
Eobasileide Corr, 1873. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Bathyopsis Cort, 1881....--.------- Bathyopsis fissidens, Wind River Basin, Wyoming. 
Dinoceras Marsn, Sept. 27, 1872.... Dinoceras mirabile, Big Bone Buttes, Wyoming. 
Ditetrodon Corn, 1885°....-.-2-.--- Uintatherium segne, east of Fort Bridger, Wyo. 
Hlachocerds: SCOTT. NSShraae= ses eeee Elachoceras parvum, Henry Fork, Wyoming. 
Eobasileus Corr, Aug. 20, 1872...... Eobasileus cornutus, Haystack Mt., Wyoming. 
Taoceras MARSH, US8625 22225224553 Tinoceras pugnax, Haystack Mt., Wyoming. 
Lefalaphodon Corr, Aug. 19, 1872... Misprint for Loxolophodon Cope, 1872. 
Loxolophodon * Corr, Aug. 22, 1872.. Loxolophodon cornutus (type), LL. furcatus, L. 
pressicornus, South Bitter Creek, Wyoming. 
(See Loxolophodon, p. 907.) 
T Octotomus' Corn, 18852 222 s Dinoceras laticeps, vicinity of Green River, Wyo. 
Paroceras MarsH, 1886............- Dinoceras laticeps, vicinity of Green River, Wyo. 
"Platocerass MIARSHTMESQO eS o mer Tinoceras latum, vicinity of Green River; Hoba- 
sileus cornutus, Haystack Mt., Wyoming.. 
Tetheopsis/CoPE,; 18857---———— ee Tinoceras stenops, Haystack Mt., Wyoming. 
Tinoceras MAnsH, Aug. 19, 1872..... Titanotherium ? anceps, Sage Creek, Wyoming.. 
Uintamastiz Lerpy, Aug. 1, 1872 .... Uintamastiz atrox, Dry Creek Buttes, Wyoming. 
Uintatherium Leipy, Aug. 1, 1872 ... Uintatherium robustum, Dry Creek Buttes, Wyo. 

^ Described three days earlier under the name Lefalaphodon, with the species L. 
discornatus, L. bifurcatus, amd IL. excressicornis. 
